• Easy to Install - simple, quick installation in 4 orientations, mounting bracket included
• 120V AC hardwired with (2) AA battery backup (included) - provides reliable detection, even during power outages
• Photoelectric smoke sensor detects visible fire particles associate with slow, smoldering fires sooner than an ionization sensor
• Electrochemical sensor detects carbon monoxide and remains stable during humidity changes and unstable temperatures
• Kidde 21032252 Hardwired Smoke & Carbon Monoxide Detector with LED Light & AA Battery Backup

Product Dimensions:

1.93 x 4.95 x 4.95 in

0.70 lbs

Shipping Dimensions:

2.00 x 5.00 x 5.00 in