Sc05e smoke and co alarm key features: * smoke & carbon monoxide dual detection * advanced photoelectric sensor, mcu auto-processing technology * strong anti-interference ability * distinctive smoke & co alarm sounds * low battery warning * auto-check malfunction in smoke chamber * test/silent button * dustproof, mothproof, shockproof & anti-visible light Sc05e smoke and co alarm specifications: * sensor type: photoelectric * alarm sound: >85db (3m) * power supply: dc 3v lithium battery (included) * power supply life: 5 years * alarm current:
