This Arlec Infrared Beam Sensor detects customers, clients, friends and unwanted intruders. The sensor serves as a great door minder. Mount the transmitter opposite the reflector, wire it to the electronic buzzer and you’ll have an alarm that’s ideal for security as a door-minder.
FEATURES
- Ideal range of 2-8 metres (across doorway)
- Easy do-it-yourself installation
- Low voltage operation 9 volt
- Low power consumption
- Small and compact design
- Supplied with piezo buzzer and wire
- Mounting screws supplied
- 12 month guarantee
Includes: 1 x infra red control unit + mounting bracket, 1 x AC adaptor, 1 x prismatic reflector, a x buzzer unit with 20m cable