Aico Ei146e Optical Smoke Alarm 230V with Alkaline Battery Back-Up - Uk Fire Supplies
230V Ionisation Smoke Alarm Ei141RC
Aico Ionisation Smoke Detector EI141 - Bondgate
TES Lighting - The Ei141RC Ionisation Smoke Alarm is a mains powered alarm with a 9V Alkaline battery back-up and contains a proven long life Ionisation smoke chamber. Different alarms sensors work