1 Year Battery Optical Smoke Alarm

Product dimensions: 90mm x 35mm Supply voltage: 9V DC Battery: 9V PP3 1 Year Zinc Carbon (approx 1 year) Technology: Optical Alarm sound level 85dB(A) at 3m(minimum) Installation position: wall/ ceiling Operating temperature: 0 to +40 degrees C Operating humidity: 30% to 90% TH non-condensing Warranty: 3 years Product weight: 0.105Kg Resistant to nuisance alarms Low battery warning Test/silence Product dimentions - 35mm 90mm 90mm