Kidde 10-Year Hardwired Talking Smoke & Carbon Monoxide Alarm

This is an AC/DC powered, talking ionization smoke and carbon monoxide (CO) alarm that operates on a 120V power source with sealed-in lithium battery backup. It contains a 10-year tamper proof battery that eliminates the need for battery replacement, and ends worry over unauthorized battery removal. The alarm provides continuous protection from smoke and fire, even during power outages. At the end of alarm life, the unit will chirp, indicating the alarm is in need of replacement. Features: Sealed 3V lithium battery backup - 10-year* tamper proof battery eliminates need for battery replacement Voice Warning - Warns of hazard by announcing “Fire!” or “Warning, Carbon Monoxide" Intelligent sensor technology - Reduces nuisance alarms and offers fast response to real fires Test/Hush button functions - A single button that tests circuitry and temporarily silences nuisance alarms Peak Level Memory - Alerts user when the unit has detected CO concentrations of 100ppm or higher Hush Feature – Temporarily silences nuisance alarms Includes: 2 × Kidde 120V AC hardwired Talking Smoke/Carbon Monoxide Alarm with 10-year battery backup 2 × Wiring harness 2 × Mounting brackets and screws User manual Specifications: Dimensions (L × W × H): 13 cm × 3.8 cm × 13 cm (5.5 in. × 1.75 in. × 5.5 in.) Weight: 0.2 kg (0.5 lb.) Warranty: Limited, 10 years Bilingual Customer Service 1-800-880-6788