Buy on glotelho your wireless smoke detector 

The wireless smoke detector is important to prevent possible dangers, it guarantees you safety and saves you from the worst. It contains an audible alarm that flashes when it detects smoke when it reaches a certain concentration value. The sensitivity of the alarm is adjustable and you can also hear the alarm anywhere. The transmitter circuit adopts pulse signal to reduce interference and reduce power consumption.

Detector Features

• Operating voltage: 9V battery ≤ 20uA (battery not included)
• Alarm current: ≤ 20mA
• Alarm indication: red LED flash
• Sound level: ≥ 85dB
• Operating temperature: -10 ℃
• Humidity: ≤ 95% RH
• Detection area: 20 ㎡
• Size: 10.7 x 4.3cm
• Weight: 166g