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Battery Powered Photoelectric Smoke Alarm Standalone Smoke Sensor Fire Detector  9V for home safety

Description
the alarm is a battery operated smoke alarm,equipped with a photoelectric sensor, designed to alert you and your family to the dangers of smoke and fire.
the alarm includes a 9V, protecting you even during a power failure.

Consumer Benefits
the photoelectric smoke alarm is battery operated protecting you and your family even during power outages.
this unit does not require any wiring and can be installed in minutes. the alarm is equipped with a test button that allows you to test the alarm's electronic circuitry, horn and battery function.

Technical Specifications
Model: DG312
Power Source: 9V Battery (included)
Audio Alarm: 85dB at 10ft(3meters)
Temperature Range: 40F to 100F (4C to 38C)
Humidity Range: 5%-95% relative humidity (RH)
Sensor: Photoelectric
Size: 142mm in diameter x42mm depth
Weight: 170g(include battery)
Interconnects: No
LED: Red, normal operation