Photoelectric Smoke Alarm LED Light Flashing & Sound Warning Alert Detector for Home School Hotel white

Description

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. High Stability, it has the dustproof, mothproof and anti outside light interference feature. Suitable for all the places, such as office, hotel, kitchen, bedroom, etc.