diff --git a/src/components/ClientMonitor/LabelPrinterMonitorPanel.tsx b/src/components/ClientMonitor/LabelPrinterMonitorPanel.tsx
index 7edf93f..eb8b10d 100644
--- a/src/components/ClientMonitor/LabelPrinterMonitorPanel.tsx
+++ b/src/components/ClientMonitor/LabelPrinterMonitorPanel.tsx
@@ -4,6 +4,7 @@ import React, { useCallback, useEffect, useRef, useState } from "react";
 import {
   Alert,
   Box,
+  Button,
   Chip,
   CircularProgress,
   Table,
@@ -16,10 +17,19 @@ import {
   Typography,
 } from "@mui/material";
 import InfoOutlined from "@mui/icons-material/InfoOutlined";
+import Search from "@mui/icons-material/Search";
 import { NEXT_PUBLIC_API_URL } from "@/config/api";
 import { clientAuthFetch } from "@/app/utils/clientAuthFetch";
-import { arrayToDateTimeString } from "@/app/utils/formatUtil";
-import dayjs from "dayjs";
+import {
+  arrayToDateTimeString,
+  OUTPUT_DATE_FORMAT,
+  OUTPUT_TIME_FORMAT,
+} from "@/app/utils/formatUtil";
+import dayjs, { type Dayjs } from "dayjs";
+import "dayjs/locale/zh-hk";
+import { DateTimePicker } from "@mui/x-date-pickers/DateTimePicker";
+import { LocalizationProvider } from "@mui/x-date-pickers/LocalizationProvider";
+import { AdapterDayjs } from "@mui/x-date-pickers/AdapterDayjs";
 
 function formatApiDateTime(value: unknown): string {
   if (value == null) return "—";
@@ -56,20 +66,40 @@ type LabelPrinterSummary = {
   unchecked: number;
 };
 
-type LabelSubmitRow = {
-  id?: number;
-  jobOrderId?: number;
-  qty?: number;
-  created?: unknown;
-  jobCode?: string;
+type OdometerPrinterRow = {
+  printerId: number;
+  code?: string;
+  name?: string;
+  brand?: string;
+  startAt?: string | null;
+  startOdometer?: number | null;
+  endAt?: string | null;
+  endOdometer?: number | null;
+  delta?: number | null;
 };
 
-type LabelStats = {
-  todayTotal?: number;
-  rangeTotal?: number;
-  recentSubmits?: LabelSubmitRow[];
+type OdometerStats = {
+  from?: string;
+  to?: string;
+  printers?: OdometerPrinterRow[];
 };
 
+const STATS_DATETIME_FORMAT = `${OUTPUT_DATE_FORMAT} ${OUTPUT_TIME_FORMAT}`;
+const STATS_MAX_RANGE_DAYS = 30;
+
+function toApiDateTime(value: Dayjs | null): string {
+  if (value == null || !value.isValid()) return "";
+  return value.format("YYYY-MM-DDTHH:mm:ss");
+}
+
+function defaultStatsFrom(): Dayjs {
+  return dayjs().startOf("day");
+}
+
+function defaultStatsTo(): Dayjs {
+  return dayjs();
+}
+
 const STATUS_LABEL: Record<
   string,
   { label: string; color: "success" | "warning" | "error" | "default" }
@@ -85,31 +115,79 @@ type Props = {
   refreshAt?: number;
 };
 
-export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Props) {
+export default function LabelPrinterMonitorPanel({
+  active,
+  refreshAt = 0,
+}: Props) {
   const [printers, setPrinters] = useState<LabelPrinterRow[]>([]);
   const [summary, setSummary] = useState<LabelPrinterSummary | null>(null);
-  const [labelStats, setLabelStats] = useState<LabelStats | null>(null);
+  const [odometerStats, setOdometerStats] = useState<OdometerStats | null>(
+    null,
+  );
+  const [statsFrom, setStatsFrom] = useState(defaultStatsFrom);
+  const [statsTo, setStatsTo] = useState(defaultStatsTo);
   const [loading, setLoading] = useState(false);
+  const [statsLoading, setStatsLoading] = useState(false);
   const [error, setError] = useState<string | null>(null);
-  const inFlightRef = useRef(false);
+  const [statsError, setStatsError] = useState<string | null>(null);
+  const checkInFlightRef = useRef(false);
+  const statsInFlightRef = useRef(false);
 
-  const runCheck = useCallback(async () => {
-    if (inFlightRef.current) return;
-    inFlightRef.current = true;
+  const fetchOdometerStats = useCallback(async (from: Dayjs, to: Dayjs) => {
+    if (statsInFlightRef.current) return;
+    const fromApi = toApiDateTime(from);
+    const toApi = toApiDateTime(to);
+    if (!fromApi || !toApi) {
+      setStatsError("請選擇開始與結束時間");
+      return;
+    }
+    if (from.isAfter(to)) {
+      setStatsError("開始時間必須早於結束時間");
+      return;
+    }
+    if (to.diff(from, "day") > STATS_MAX_RANGE_DAYS) {
+      setStatsError(`查詢區間不可超過 ${STATS_MAX_RANGE_DAYS} 天`);
+      return;
+    }
+
+    statsInFlightRef.current = true;
+    setStatsLoading(true);
+    setStatsError(null);
+    try {
+      const statsRes = await clientAuthFetch(
+        `${NEXT_PUBLIC_API_URL}/label-printer-monitor/odometer-stats?fromDateTime=${encodeURIComponent(
+          fromApi,
+        )}&toDateTime=${encodeURIComponent(toApi)}`,
+        { method: "GET", cache: "no-store" },
+      );
+      if (statsRes.status === 401 || statsRes.status === 403) return;
+      if (!statsRes.ok) {
+        const body = await statsRes.json().catch(() => ({}));
+        throw new Error(body?.error ?? `HTTP ${statsRes.status}`);
+      }
+      setOdometerStats(await statsRes.json());
+    } catch (e) {
+      console.error("label printer odometer stats", e);
+      setStatsError(
+        e instanceof Error ? e.message : "無法載入 Zebra 里程表區間統計",
+      );
+      setOdometerStats(null);
+    } finally {
+      setStatsLoading(false);
+      statsInFlightRef.current = false;
+    }
+  }, []);
+
+  const runPrinterCheck = useCallback(async () => {
+    if (checkInFlightRef.current) return;
+    checkInFlightRef.current = true;
     setLoading(true);
     setError(null);
     try {
-      const from = dayjs().startOf("day").format("YYYY-MM-DDTHH:mm:ss");
-      const to = dayjs().format("YYYY-MM-DDTHH:mm:ss");
-      const [checkRes, statsRes] = await Promise.all([
-        clientAuthFetch(`${NEXT_PUBLIC_API_URL}/label-printer-monitor/check`, {
-          method: "POST",
-        }),
-        clientAuthFetch(
-          `${NEXT_PUBLIC_API_URL}/label-printer-monitor/label-stats?fromDateTime=${encodeURIComponent(from)}&toDateTime=${encodeURIComponent(to)}`,
-          { method: "GET", cache: "no-store" },
-        ),
-      ]);
+      const checkRes = await clientAuthFetch(
+        `${NEXT_PUBLIC_API_URL}/label-printer-monitor/check`,
+        { method: "POST" },
+      );
       if (checkRes.status === 401 || checkRes.status === 403) return;
       if (!checkRes.ok) {
         throw new Error(`check HTTP ${checkRes.status}`);
@@ -117,34 +195,38 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
       const checkData = await checkRes.json();
       setPrinters(Array.isArray(checkData.printers) ? checkData.printers : []);
       setSummary(checkData.summary ?? null);
-      if (checkData.labelStats) {
-        setLabelStats(checkData.labelStats);
-      } else if (statsRes.ok) {
-        setLabelStats(await statsRes.json());
-      }
     } catch (e) {
       console.error("label printer monitor check", e);
       setError("無法檢查標籤印表機狀態");
     } finally {
       setLoading(false);
-      inFlightRef.current = false;
+      checkInFlightRef.current = false;
     }
   }, []);
 
+  const runFullRefresh = useCallback(async () => {
+    await Promise.all([
+      runPrinterCheck(),
+      fetchOdometerStats(statsFrom, statsTo),
+    ]);
+  }, [runPrinterCheck, fetchOdometerStats, statsFrom, statsTo]);
+
   useEffect(() => {
     if (!active) return;
-    void runCheck();
-    const id = window.setInterval(() => void runCheck(), 120_000);
+    void runPrinterCheck();
+    void fetchOdometerStats(defaultStatsFrom(), defaultStatsTo());
+    const id = window.setInterval(() => void runPrinterCheck(), 120_000);
     return () => window.clearInterval(id);
-  }, [active, runCheck]);
+  }, [active, runPrinterCheck, fetchOdometerStats]);
 
   useEffect(() => {
     if (!active || refreshAt <= 0) return;
-    void runCheck();
-  }, [refreshAt, active, runCheck]);
+    void runFullRefresh();
+  }, [refreshAt, active, runFullRefresh]);
 
   const offlineCount = summary?.offline ?? 0;
-  const isZebra = (brand?: string) => (brand ?? "").toLowerCase().includes("zebra");
+  const isZebra = (brand?: string) =>
+    (brand ?? "").toLowerCase().includes("zebra");
 
   return (
     <div className="space-y-4 mt-6">
@@ -152,8 +234,8 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
         標籤印表機監控（In Development）
       </Typography>
       <Typography variant="body2" color="text.secondary">
-        監控「印表機」設定中 type=Label 的設備：TCP 連線檢測，Zebra 機型另讀取內建里程表（odometer）。
-        應用層列印統計來自 Bag3 標籤機提交（LABEL channel），不含網頁直接列印。
+        監控「印表機」設定中 type=Label 的設備：TCP 連線檢測，Zebra
+        機型另讀取內建里程表（odometer）。
       </Typography>
 
       {offlineCount > 0 && (
@@ -167,7 +249,11 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
           <Chip size="small" label={`標籤機 ${summary.total}`} />
           <Chip size="small" color="success" label={`正常 ${summary.online}`} />
           <Chip size="small" color="error" label={`離線 ${summary.offline}`} />
-          <Chip size="small" color="warning" label={`未設定 IP ${summary.unconfigured}`} />
+          <Chip
+            size="small"
+            color="warning"
+            label={`未設定 IP ${summary.unconfigured}`}
+          />
           {summary.unchecked > 0 && (
             <Chip size="small" label={`未檢查 ${summary.unchecked}`} />
           )}
@@ -188,18 +274,36 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
               <TableCell>品牌</TableCell>
               <TableCell>IP:Port</TableCell>
               <TableCell align="right">
-                <Box component="span" sx={{ display: "inline-flex", alignItems: "center", gap: 0.5 }}>
+                <Box
+                  component="span"
+                  sx={{
+                    display: "inline-flex",
+                    alignItems: "center",
+                    gap: 0.5,
+                  }}
+                >
                   累計里程
                   <Tooltip title="Zebra 印表機透過 TCP 9100 讀取 odometer.total_label_count">
-                    <InfoOutlined sx={{ fontSize: 16, color: "text.secondary" }} />
+                    <InfoOutlined
+                      sx={{ fontSize: 16, color: "text.secondary" }}
+                    />
                   </Tooltip>
                 </Box>
               </TableCell>
               <TableCell align="right">
-                <Box component="span" sx={{ display: "inline-flex", alignItems: "center", gap: 0.5 }}>
+                <Box
+                  component="span"
+                  sx={{
+                    display: "inline-flex",
+                    alignItems: "center",
+                    gap: 0.5,
+                  }}
+                >
                   自上次檢查
                   <Tooltip title="本次 odometer 與上次記錄的差值（實際出標張數估算）">
-                    <InfoOutlined sx={{ fontSize: 16, color: "text.secondary" }} />
+                    <InfoOutlined
+                      sx={{ fontSize: 16, color: "text.secondary" }}
+                    />
                   </Tooltip>
                 </Box>
               </TableCell>
@@ -239,7 +343,11 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
                         </Typography>
                       )}
                       {row.errorMessage && (
-                        <Typography variant="caption" display="block" color="error">
+                        <Typography
+                          variant="caption"
+                          display="block"
+                          color="error"
+                        >
                           {row.errorMessage}
                         </Typography>
                       )}
@@ -273,38 +381,110 @@ export default function LabelPrinterMonitorPanel({ active, refreshAt = 0 }: Prop
       </TableContainer>
 
       <Typography variant="subtitle2" fontWeight={600} sx={{ mt: 2 }}>
-        應用層標籤列印（LABEL）
+        Zebra 里程表區間印量（估算）
+      </Typography>
+      <Typography variant="body2" color="text.secondary" sx={{ mb: 1 }}>
+        依監控掃描寫入的 odometer 快照估算（最長 {STATS_MAX_RANGE_DAYS} 天）。非
+        Zebra 機型不提供區間印量。
       </Typography>
-      {labelStats && (
-        <Box className="flex flex-wrap gap-2 mb-2">
-          <Chip size="small" label={`今日 ${labelStats.todayTotal ?? 0} 張`} />
-          <Chip size="small" variant="outlined" label={`區間 ${labelStats.rangeTotal ?? 0} 張`} />
+      <LocalizationProvider dateAdapter={AdapterDayjs} adapterLocale="zh-hk">
+        <Box className="flex flex-wrap items-end gap-3 mb-2">
+          <DateTimePicker
+            label="開始時間"
+            views={["year", "month", "day", "hours", "minutes", "seconds"]}
+            format={STATS_DATETIME_FORMAT}
+            value={statsFrom}
+            onChange={(value) => {
+              if (value?.isValid()) setStatsFrom(value);
+            }}
+            slotProps={{
+              textField: { size: "small", sx: { minWidth: 220 } },
+            }}
+          />
+          <DateTimePicker
+            label="結束時間"
+            views={["year", "month", "day", "hours", "minutes", "seconds"]}
+            format={STATS_DATETIME_FORMAT}
+            value={statsTo}
+            onChange={(value) => {
+              if (value?.isValid()) setStatsTo(value);
+            }}
+            slotProps={{
+              textField: { size: "small", sx: { minWidth: 220 } },
+            }}
+          />
+          <Button
+            variant="outlined"
+            size="small"
+            startIcon={
+              statsLoading ? <CircularProgress size={16} /> : <Search />
+            }
+            disabled={statsLoading}
+            onClick={() => void fetchOdometerStats(statsFrom, statsTo)}
+            sx={{ mb: 0.25 }}
+          >
+            查詢統計
+          </Button>
         </Box>
+      </LocalizationProvider>
+      {statsError && (
+        <Alert severity="error" sx={{ mb: 1 }}>
+          {statsError}
+        </Alert>
       )}
       <TableContainer className="rounded-lg border border-slate-200 bg-white dark:border-slate-700 dark:bg-slate-800">
         <Table size="small">
           <TableHead>
             <TableRow>
-              <TableCell>時間</TableCell>
-              <TableCell>工單</TableCell>
-              <TableCell align="right">數量</TableCell>
+              <TableCell>印表機</TableCell>
+              <TableCell>區間起點</TableCell>
+              <TableCell>區間終點</TableCell>
+              <TableCell align="right">區間印量（估算）</TableCell>
             </TableRow>
           </TableHead>
           <TableBody>
-            {!labelStats?.recentSubmits?.length ? (
+            {statsLoading && !odometerStats?.printers?.length ? (
               <TableRow>
-                <TableCell colSpan={3} align="center" sx={{ py: 3 }}>
-                  尚無 LABEL 列印提交記錄
+                <TableCell colSpan={4} align="center" sx={{ py: 3 }}>
+                  <CircularProgress size={24} />
+                </TableCell>
+              </TableRow>
+            ) : !odometerStats?.printers?.length ? (
+              <TableRow>
+                <TableCell colSpan={4} align="center" sx={{ py: 3 }}>
+                  此區間內尚無 Zebra 里程表記錄
                 </TableCell>
               </TableRow>
             ) : (
-              labelStats.recentSubmits.map((row) => (
-                <TableRow key={row.id ?? `${row.jobOrderId}-${String(row.created)}`} hover>
-                  <TableCell>{formatApiDateTime(row.created)}</TableCell>
+              odometerStats.printers.map((row) => (
+                <TableRow key={row.printerId} hover>
                   <TableCell>
-                    {row.jobCode ?? (row.jobOrderId != null ? `#${row.jobOrderId}` : "—")}
+                    <Typography variant="body2" fontWeight={600}>
+                      {row.name || row.code || `#${row.printerId}`}
+                    </Typography>
+                    {row.code && row.name && (
+                      <Typography variant="caption" color="text.secondary">
+                        {row.code}
+                      </Typography>
+                    )}
+                  </TableCell>
+                  <TableCell>
+                    {row.startAt && row.startOdometer != null
+                      ? `${formatApiDateTime(
+                          row.startAt,
+                        )} · ${row.startOdometer.toLocaleString()}`
+                      : "—"}
+                  </TableCell>
+                  <TableCell>
+                    {row.endAt && row.endOdometer != null
+                      ? `${formatApiDateTime(
+                          row.endAt,
+                        )} · ${row.endOdometer.toLocaleString()}`
+                      : "—"}
+                  </TableCell>
+                  <TableCell align="right">
+                    {row.delta != null ? row.delta.toLocaleString() : "—"}
                   </TableCell>
-                  <TableCell align="right">{row.qty ?? "—"}</TableCell>
                 </TableRow>
               ))
             )}