1、Hot wire type sensor
2、Power：110VAC/220VAC/230VAC 、9V-20VDC
3、Working temperature: -10degree~60 degree
4、Alarm density: Coal gas: 1000~5000ppm, Liquid petroleum gas:1000~10000ppm, natural gas: 1000ppm~5000ppm
5、Interconnecting Gas detector  
  (1)Circuit for normally closed rely contacts
  (2) Circuit for normally opened rely contacts
  (3)Operating Frequency: 433 MHZ/315MHZ (optional)
6、Size:115mm*70mm*40mm
7、Weight:228g/pcs
8、Package size:58.5cm*28.5cm*53.3cm
9、Quantity/Box:100pcs
10、CtnWei（kg）:28kg
11、Q`CTY/20`FT：35200pcs