10 Year Worry-Free Lithium Battery Smoke Alarm

Condition: New item. Box unopened and completely sealed. Item in excellent condition. Features include: 10 year sealed-in Lithium Battery, Loud 85 Decibel Alarm, Hush Button, Test/Reset Button, and End of Life Chirp. Power Source: 10 year sealed Battery. Audio Alarm: 85dB. Temperature Range: 40°F(4.4°C) to 100°F(37.8°C). Humidity Range: UP to 95% relative Humidity, non-condesing. Smoke sensor: Ionization. Part Number: 21029716 Warranty: 10 year (including battery)