Description :  Wireless CO Natural Gas Sensor Leak Detector Alarm High Sensitive Home Kitchen Sound Warning<br>  The gas leakage alarm is suitable for the place where natural gas exists. It can detect and alarm the burning， explosion， poisoning caused by gas leakage. This product has the characteristic of  high sensitivity， high stability， multi-gas detectable， small cubage， easy to install. When the flammable gas density reaches to response setting value of density in its surrounding environment， the alarm can give out alarm signal of sound， light and networking. In the alarm state， the ambient concentration of combustible gas down to the rated value， the alarm can be automatically restored to normal monitoring state. It has red， yellow， green three state indicator lights and one built-in buzzer.  <br> Features :  High quality sensor without passivation. Low consumption and long time for using. High sensitivity， stability and reliability. Self-detection， anti-misinformation， failure report. Suitable for detecting combustible natural gas， LPG， CO， etc. Three LED indicators for showing work status. Easy to install and work. Suitable for home， office， store， hotel， etc.<br>  <br> Specification :<br>  Working Voltage: AC 220V \/ 110V Power Consumption: Static &amp;le;10 mA， Alarm &amp;le;15 mA Alarm Range: Natural gas  3%-15%LEL Response Time: &amp;lt;30s Alarm Sound: &amp;gt;75dB(right ahead 1m\/3.28ft) Installation style: Wall Mounted Gas Sensor: Life span 3 years Ambient Temp. : -10\u2103- 55\u2103 Humidity Range: 10%-95% RH Air pressure: 86-106Kpa Emission frequency: 433MHZ Emission distance: &amp;ge;100m\/328ft (in open air) Coding way: Button alarm coding (After self-testing， press the button to emit 315MHZ or 433MHZ signal) Item Weight: Approx. 147g\/5.20oz Item Size: Approx. 8.8 x 3.0 x 12.1cm \/ 3.46 x 1.18 x 4.76in (L x W x H) Total Weight: Approx. 193g\/6.81oz Package Size: Approx. 12.5 x 5.6 x 12.2cm \/ 4.92 x 2.20 x 4.8in (L x W x H)  <br> Package includeds :  1 x Gas Alarm (Come with an adapter according to your country~) 1 x Mounting Stand 1 x Accessory Bag 1 x User manual<br>  <br> Details pictures :