Smoke Detector, Photoelectric Sensor Smoke Alarm, 10 Years Safety Hardwired Fire Alarm with 9V Back up Battery, Red Flash Alarm and Green AC Power Indicator, Interconnect up to 12pcs Review

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• UL listed battery-powered smoke detector alarm, easy to install
• Features convenient test button, blinking power light, 85-decibel alarm, missing battery guard.
• Photoelectric sensor chamber for early detection from all directions, interconnect up to 12pcs
• Environment friendly, without smell, radiation or harm, red flash alarm indicator led & green AC power indicator
• Made of high quality ABS,low power consumption, service life sensor up to 10 years

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