| Type | Smoke Alarm |
|---|---|
| Brand | Kidde |
| Model | 21031438 |
| MPN | 21031438 |
| Alarm Sensor Type | Photoelectric |
| Alarm/Detector Features | Hush Button,Tamper Resistant |
| Alert Type | Siren |
| Battery Type Required | AA |
| Commercial/Residential | Home |
| Included | Batteries,Mounting Hardware,Owner's Manual |
| Pack Size | 4 |
| Power Source | Battery |
| Voltage (V) | 3 V |
| Product Depth (in.) | 1.79 in |
| Product Width (in.) | 4 in |
| UPC | 047871314386 |
Check the listing for details. Kidde Compact 4 in. Battery Powered Smoke Detector Photoelectric Sensor (4-Pack). Condition: New. Listed at 49.99 USD. Batteries should be replaced every 6 months or when the alarm sounds a low battery chirp. The red LED light blinks to indicate the smoke alarm is on and working. A test-hush button allows you to test the battery operations as well as silence nuisance alarms, should they occur.
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