diff --git a/packages/homebridge-plugin/homebridge-ui/public/index.html b/packages/homebridge-plugin/homebridge-ui/public/index.html
index 71be028..c0a5207 100644
--- a/packages/homebridge-plugin/homebridge-ui/public/index.html
+++ b/packages/homebridge-plugin/homebridge-ui/public/index.html
@@ -398,6 +398,13 @@
           <label>Countdown Duration (minutes)</label>
           <input type="number" id="dwm-countdown-mins" min="1" max="1440" placeholder="60" />
         </div>
+        <div class="form-group">
+          <label>Action when timer fires</label>
+          <select id="dwm-countdown-action">
+            <option value="1">Turn ON (then auto-OFF after duration)</option>
+            <option value="0">Turn OFF (then auto-ON after duration)</option>
+          </select>
+        </div>
       </div>
 
       <div id="dwm-alwayson-info" style="display:none;margin-bottom:12px;padding:10px;background:rgba(48,209,88,.1);border:1px solid rgba(48,209,88,.3);border-radius:6px;font-size:0.82rem;color:#4ade80">
diff --git a/packages/homebridge-plugin/homebridge-ui/public/index.js b/packages/homebridge-plugin/homebridge-ui/public/index.js
index 9fa8517..42c1407 100644
--- a/packages/homebridge-plugin/homebridge-ui/public/index.js
+++ b/packages/homebridge-plugin/homebridge-ui/public/index.js
@@ -195,8 +195,9 @@ function dwmRuleSummary(r) {
     return `⚡ If ${src} → ${when}, then ${action} (${targets})`;
   }
   if (r.type === 'Countdown') {
-    const mins = r.countdownTime ? Math.round(r.countdownTime / 60) : null;
-    return mins ? `⏱ ${mins} min auto-off` : '—';
+    const mins   = r.countdownTime ? Math.round(r.countdownTime / 60) : null;
+    const action = r.countdownAction === 0 ? 'OFF → auto-ON' : 'ON → auto-OFF';
+    return mins ? `⏱ ${mins} min · ${action}` : '—';
   }
   const days = dayLabel(r.days);
   const devs = (r.targetDevices ?? []).map((td) => esc(td.name ?? td.host)).join(', ') || 'no targets';
@@ -442,6 +443,7 @@ function openDwmEdit(id) {
     document.getElementById('dwm-end-action').value   = String(r.endAction   ?? -1);
     document.getElementById('dwm-countdown-mins').value =
       r.countdownTime ? String(Math.round(r.countdownTime / 60)) : '';
+    document.getElementById('dwm-countdown-action').value = String(r.countdownAction ?? 1);
 
     _selectedDwmDays = new Set((r.days ?? []).map(Number));
 
@@ -474,8 +476,9 @@ function openDwmEdit(id) {
     document.getElementById('dwm-end-time').value     = '';
     document.getElementById('dwm-start-action').value = '1';
     document.getElementById('dwm-end-action').value   = '-1';
-    document.getElementById('dwm-countdown-mins').value = '';
-    document.getElementById('dwm-trigger-src').value    = '';
+    document.getElementById('dwm-countdown-mins').value    = '';
+    document.getElementById('dwm-countdown-action').value  = '1';
+    document.getElementById('dwm-trigger-src').value       = '';
     document.getElementById('dwm-trigger-event').value  = 'any';
     document.getElementById('dwm-trigger-action').value = 'on';
     Array.from(document.getElementById('dwm-target-devices').options).forEach((opt) => { opt.selected = false; });
@@ -604,7 +607,8 @@ document.getElementById('dwm-form-save-btn').addEventListener('click', async ()
   if (type === 'Countdown') {
     const mins = Number(document.getElementById('dwm-countdown-mins').value);
     if (!mins || mins < 1) { showModalError('Enter countdown duration in minutes'); return; }
-    rule.countdownTime = mins * 60;
+    rule.countdownTime    = mins * 60;
+    rule.countdownAction  = Number(document.getElementById('dwm-countdown-action').value);
   } else {
     const startType   = document.getElementById('dwm-start-type').value;
     const startOffset = parseInt(document.getElementById('dwm-start-offset').value ?? '0', 10) || 0;
diff --git a/packages/homebridge-plugin/lib/scheduler.js b/packages/homebridge-plugin/lib/scheduler.js
index 9148a84..29bafac 100644
--- a/packages/homebridge-plugin/lib/scheduler.js
+++ b/packages/homebridge-plugin/lib/scheduler.js
@@ -186,9 +186,11 @@ class DwmScheduler {
 
       // Away Mode
       if (rule.type === 'Away') {
-        const startSecs = resolveSecs(Number(rule.startTime ?? -1), rule.startType, rule.startOffset, todaySun);
-        const endSecs   = resolveSecs(Number(rule.endTime   ?? -1), rule.endType,   rule.endOffset,   todaySun);
+        const startSecs   = resolveSecs(Number(rule.startTime ?? -1), rule.startType, rule.startOffset, todaySun);
+        const endSecs     = resolveSecs(Number(rule.endTime   ?? -1), rule.endType,   rule.endOffset,   todaySun);
         if (startSecs === null) continue;
+        const awayStartAction = Number(rule.startAction ?? 1);
+        const awayEndAction   = Number(rule.endAction   ?? 0);
 
         for (const dayId of (rule.days ?? [])) {
           const td0 = rule.targetDevices?.[0];
@@ -196,14 +198,14 @@ class DwmScheduler {
             ruleId: rule.id, ruleName: rule.name,
             targetHost: td0?.host ?? '', targetPort: td0?.port ?? 0,
             dayId: Number(dayId), targetSecs: startSecs,
-            action: 1, isAwayStart: true,
+            action: awayStartAction, isAwayStart: true,
           });
           if (endSecs !== null && endSecs >= 0) {
             schedule.push({
               ruleId: rule.id + '-away-end', ruleName: rule.name,
               targetHost: td0?.host ?? '', targetPort: td0?.port ?? 0,
               dayId: Number(dayId), targetSecs: endSecs,
-              action: 0, isAwayEnd: true, awayRuleId: rule.id,
+              action: awayEndAction, isAwayEnd: true, awayRuleId: rule.id,
             });
           }
         }
@@ -212,22 +214,24 @@ class DwmScheduler {
 
       // Countdown with active window
       if (rule.type === 'Countdown') {
-        const windowStart = Number(rule.windowStart ?? -1);
-        const windowEnd   = Number(rule.windowEnd   ?? -1);
+        const windowStart     = Number(rule.windowStart ?? -1);
+        const windowEnd       = Number(rule.windowEnd   ?? -1);
         if (windowStart < 0 || !(rule.windowDays?.length)) continue;
 
+        const countdownAction = Number(rule.countdownAction ?? 1);
+        const countdownEnd    = countdownAction === 1 ? 0 : 1;   // opposite of start
         const crossesMidnight = windowEnd >= 0 && windowEnd < windowStart;
         for (const dayId of rule.windowDays) {
           for (const td of (rule.targetDevices ?? [])) {
             if (!td.host || !td.port) continue;
             schedule.push({ ruleId: rule.id, ruleName: rule.name,
               targetHost: td.host, targetPort: td.port,
-              dayId: Number(dayId), targetSecs: windowStart, action: 1 });
+              dayId: Number(dayId), targetSecs: windowStart, action: countdownAction });
             if (windowEnd >= 0) {
               const offDayId = crossesMidnight ? (Number(dayId) % 7) + 1 : Number(dayId);
               schedule.push({ ruleId: rule.id + '-wend', ruleName: rule.name,
                 targetHost: td.host, targetPort: td.port,
-                dayId: offDayId, targetSecs: windowEnd, action: 0 });
+                dayId: offDayId, targetSecs: windowEnd, action: countdownEnd });
             }
           }
         }
@@ -344,12 +348,14 @@ class DwmScheduler {
     if (loop.timer) clearTimeout(loop.timer);
     this._awayLoops.delete(ruleId);
     if (forceOff) {
+      const endAction = Number(loop.rule.endAction ?? 0);
+      const turnOn    = endAction === 1;
       for (const td of loop.devices) {
-        this._wemo.setBinaryState(td.host, td.port, false).catch(() => {});
+        this._wemo.setBinaryState(td.host, td.port, turnOn).catch(() => {});
       }
       this._emit({ success: true,
-        msg: `"${loop.rule.name}" Away Mode window ended — all devices OFF`,
-        entry: { action: 0 } });
+        msg: `"${loop.rule.name}" Away Mode window ended — all devices ${turnOn ? 'ON' : 'OFF'}`,
+        entry: { action: endAction } });
     }
   }