Aico 85dB Mains Wired Optical Alarm with Battery Backup 230V 150 x 55mm White 2500591818
£41.08 inc VAT £34.23 ex VAT
A smoke detector that works by a Infrared LED pulsating its beam on the smoke particles and when the Infrared beam reflects of it, the photodiode light receptor recieves it and sends a signal to the circuit which sounds the alarm.
Description
85dB Mains Wired Optical Alarm with Battery Backup 230V 150 x 55mm White