Wireless Smoke Detector Photoelectric Sensor 433MHz Sound Light Alarm

This household smoke alarm uses a 360-degree inlet photoelectric sensor to detect smoke in all directions. When smoke is detected, the red light flashes and a sound and light alarm above 90 decibels is triggered. The housing is made of ABS plastic, which is fire retardant and high temperature resistant. It measures approximately 10.6x10.6x4.15cm and works with a 433MHz wireless sound and light alarm. Suitable for bedrooms, kitchens, living rooms, warehouses and offices. Powered by a 9V battery, which is not included.

What's in the box
1 x Smoke Alarm,
2 x Screw