Aico 10 Year Lithium Battery Optical Smoke Alarm - Ei650i
The Aico Ei650i Optical Smoke Alarm is an easy to install 10 year lithium battery operated smoke detector.
The optical alarm is sensitive to all domestic fire types but is sensitive to visible smouldering fires.
The Ei650i self checks its chamber sensor, battery voltage and internal circuitry every 40 seconds. Any faults will be indicated by a either flashing red LEDâ€™s and/or sound beeps.