FIRST ALERT PHOTOELECTRIC 10 YEAR SMOKE/CO TAMPERPROOF COMBO ALARM (2473564)

10-year lithium power – 10 years of continuous protection
No battery change required
Tamperproof sealed alarm – Powercell cannot be removed
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