Weanas LPG Explosive Natural Gas Leakage CO Carbon Monoxide Detector Alarm Sensor Home Security Plug In with Battery Backup (bought separately) LCD Display

* High Reliability dual sensor design
* Sensor: electrochemical CO sensor;Catalytic LPG/Gas sensor
* MCU processing adopted,SMT adopted,good stability
* SMT manufacture technology

Technical parameters:
* Type:independent
* Operating voltage: 100-240V AC,50-60 Hz,2.5W, 9V rechargeable Ni-Mh backup battery (not included in the package, should be bought separately);
* Working Environment:-10°C~+50°C(‰¤95%RH No Congelation)
* Humidity range:10%-95% relative humidity(RH)
* Alarm level: CO: 150PPM±50PPM, Gas: 0.25%(5% LEL)
* Alarm output: Sound & Flash alarm
* Sound level:85dB/3m
* Concentration display:digital LCD
* LCD Display:presents battery level;presents CO/GAS alarm level;CO:>40ppm * beginning to show;Gas:>0.1% beginning to show
* Installation:Wall mounted;
* Gas species:natural gas/CO or LPG/Gas
* Execute criterion:
* Dimension: 4.7x3.2x1.7 inches

Package Include:
1* Gas Leakage CO Carbon Monoxide Detector with screws
(No battery included in the package. If you need a backup battery, we suggest you to buy a 9V rechargeable Ni-Mh battery)