FIRST ALERT® PHOTOELECTRIC 10 YEAR SMOKE/CO COMBO TAMPERPROOF ALARM (2473565)

10-year lithium power – 10 years of continuous protection. No battery change required
Tamperproof sealed alarm – Powercell cannot be removed
Voice with location – Voice announces programmed location of the unit and danger detected
Photoelectric smoke-sensing technology
Electrochemical CO Sensor – Most accurate technology available for detecting carbon monoxide as compared to other sensing technologies
Silence feature
Tamper-resistant mounting bracket – Locks alarm to mounting bracket
Perfect for apartment and dormitory applications
Meets California Senate Bill #745 requirements
10-Year Limited Warranty