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Alarm Dimensions:	5.750 in. (146.05mm) Length x 5.750 in (146.05mm) Width x 1.605 in (42.62mm) Height
Weight:	14.6 oz (414 g)
Battery:	Six (6) – 3V CR123A Lithium Batteries
Temperature Range:	40 F and 100 F (4.4 C and 38 C)
Humidity Range:	20% 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.
Interconnections:	Up to 18 units of First Alert or BRK Smoke and CO Alarms. See Installation & Reference Manual.
Smoke Sensor:	Photoelectric
CO Sensor:	Electrochemical
Listing:	UL 217 and UL 2034