BRK BRANDS SA511B SMOKE ALARM WIRELESS BATTERY

BRK BRANDS SA511B - SMOKE ALARM WIRELESS BATTERY - SMOKE ALARM DETECTION METHOD PHOTOELECTRIC YES INTERCONNECTION CAPABILITY POWER SOURCE (2) AA BATTERIES AUDIBLE ALERT 85DB @ 10 FT. VISUAL ALERT RED LED DIAMETER 5 IN. HEIGHT 2 IN. DEPTH 2 IN. DIGITAL READOUT NO BATTERY BACKUP YES FEATURES WIRELESS PHOTOELECTRIC BATTERY SMOKE ALARM 10 YEAR LIMITED WARRANTY 915MHZ WITH 65K SECURITY CODES AND 3 CHANNEL HOPPING HUSH BUTTON YES LOCKING PIN YES OPERATING TEMP 40 DEGREES TO 100 DEGREES F STANDARDS UL217 INCLUDES (2) AA BATTERIES - EQUAL TO 48Z669