9V Battery Operated Photoelectric Smoke Alarm

Features : Built-in high accurate infrared photoelectric sensor to detect smoke or combustion particles in air, rather than sense heat, flame or gas.If it detects smoke and the smoke attains the certain density, it will make a sound over 85dB and the red LED light will be flashing.Suitable for all the places, such as office, hotel, kitchen, bedroom, bathroom, garage, bank, library, computer house, storehouse, etc.When the voltage of battery is low or the chamber is dirty, it will beep once per 40s to remind you.With test function and auto reset function.High Stability, it has the dustproof, mothproof and anti outside light interference feature.Powered by a 9V battery (not included), comes with 2 screws and 2 plastic inserts, easy to install. Lees meer over de 9V Battery Operated Photoelectric Smoke Alarm van huismerk in de productgroep huis en tuin