1:cheap gas detector
2:MCU control
3:for natural gas, lpg, coal gas
4:Easy installation
5:ISO9001:2008
cheap home-use ceiling mounted gas detector gas alarm Feature:1: Using independent air...
1, detecting area: 20 aquare meter
2, alarm sound 85 db
3,315mhz/433mhz selectable
4,9 v battery easy to install
Specification:. Power suply: 9VDC battery. Photoelectric Sensor. Radio Frequency: 433/315mhz....
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