| Brand | Kidde |
|---|---|
| Alarm Sensor Type | Photoelectric |
| Alarm/Detector Features | Battery Back-Up,Hush Button,Tamper Resistant |
| Alert Type | Siren |
| Commercial/Residential | Home |
| Connector/Contact Type | 3-Wire |
| Fixed or portable | Fixed |
| Included | Battery Back-Up,Mounting Hardware,Owner's Manual |
| Pack Size | 1 |
| Power Source | Hardwired |
| Returnable | 90-Day |
| Voltage (V) | 120 V |
| Certifications and Listings | UL Listed |
| Product Depth (in) | 1.88 in |
| Product Height (in) | 5 in |
| Product Width (in) | 5 in |
| UPC | 7445054328329 |
Check the listing for details. Hardwired Interconnected Smoke Detector with Photoelectric Sensor 21031482. Condition: New. Listed at 32.17 USD. Experience the next level of fire safety with the Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable & LED Warning Lights, model 20SAR. Batteries should be replaced every 6 months. A test-hush button allows you to test the battery operations as well as silence nuisance alarms, should they occur.