Alarm Infrared Beam Sensors can replace the passive infrared intrusion detector installed in small supermarkets, convenience stores, visitors import and export, window entrance protection, but also applicable to schools, office buildings, dormitories, home courtyards and other security systems. The best installation height should be more than 2Ocm, installation distance should be not less than 1 m; infrared protection device should be vertically placed, and in the same horizontal line.First, please install the receiver, then the transmitter(when in a straight line, OFF light of receiver goes out), then fix,connect line and complete installation.

Color: black

Infrared FrequencyOperating Voltage:12-24V DC/

ACwave length：940nm

Operating Temperature：-25℃ to+55℃

Relay output：N.C./N.O.

Optimum Distance < 15m

Package Content : 1 Pair x Active Infrared Detector, 1 English Usage Manual, 1 Bag Install Tools