1.The alarm installationlocation:2-4 metresdistance radius of air supply range,wellventilated place.

(1)LPG is heavir than air,the installion is about 0.3 meters from theground.

(2)Natural gas???City gas??? carbon monoxide lighter thanair,installed at about 0.3 meters,from theceiling.

2.No installationlocation:A.ark corner,the location of the air toflow,etc.

B.Easy by lampblack smoked the location directly

3.The ban on setuptime:

A.Houses did not decorate finish painting

B.Just finished decorating, home ventilation of less than 5days.

C.In house build wood furniture or purchase new woodenfurniture,the ventilation of less than 3 days.

D.Use spray insecticides,air freshners,hairgel,glue...ventilation time less than 4 hours.

4.Manual testing and resetfunction

5.Workingenvironment:Humidity:<97%RH    Temperature:0 degree to 60 degrees celsius

6.Workingvoltage:220vAC/110vAC     12vDC-20vDC

7.Additionalfunction:Can work with solenoid valve andmanipulator or exhaust fan

8.Networking???Wirednetworking(NO NC)

9.Wireless networkingmode:315MHZ/433MHZ(2262OR1527)

10.Alarmconcentration: coal gas:0.1%-0.5%    Natural gas:0.1%-1%  LPG:0.1%-0.5%