BRK Electronics First Alert PR700B Low Profile 9V Carbon Zinc Battery Operated Photoelectric Smoke Alarm

Low profile design 9V battery powered photoelectric smoke alarm with silence feature. Tamper resistant - Locks alarm to mounting bracket to prevent removal of battery and/or alarm. Low Profile Design - Sleek, contemporary design blends into any decor Photoelectric smoke sensing technology Silence feature Tamper Resistant-Locks alarm to mounting bracket to prevent removal of battery and/or alarm. Perfect for apartment, dormitory or hotel applications. 10-Years Limited Warranty Model: PR700B Alarm Dimensions: 5.2”Dia. x 1.13”H Weight: 6.0 oz Operating Voltage: 9V Carbon Zinc Battery Powered Temperature Range: 40°F (4°C) to 100°F (38°C) Humidity Range: 10% to 95% relative humidity (RH) Audio Alarm: 85dB at 10 feet Test/Silence: Electronically simulates smoke condition, causing the unit to alarm. Press and hold test/silence button. Alarm Res