ABO-20 IP55 20 Meter S-ingle Infrared Beam Snesors Alarm Automatic Door Garage Gate Brake Sliding Door Safety Infrared Detector Home Doors Window Anti-theft Sensors

Features:
IP55 waterproof level, it can also be used outdoors or in wet areas, rain will not affect normal use.
Installed then on both sides of doors and windows, and the host is installed indoors. When someone shuts off the infrared beam, the host will alarm. （Note: The host is NOT included, you need buy a host by yourself.)
The detection distance is up to 20m, and the detection distance is long, which can meet the use of most automatic door or translation doors and window to use.
Wide applications: This tool can be installed on barrier gate system, automatic doors, sliding doors or switch-sensitive doors, also can be installed at home for anti-theft.
Small in size and easy for installation, no need too much professional skills.