Olympia IR 500 5964 Wireless alarm system extension IR light barrier

The Olympia IR 500 light barrier with doorbell and alarm function is of a transmitter and receiver. The direct line of sight between transmitter and receiver is interrupted by an object, this is immediately with a door bell or an alarm signal. So that the light barrier and also in the event of a power failure, you can continue to monitor the continuity range for emergency commercial AA-batteries.This text is machine translated.

Price: £ 46.99 from Conrad Electronic