1. Material: All-steel 1.0 sheet
2. Detection: generation of sensing gas methane, carbon monoxide, propane, propylene, butane, butene
3. Upgraded version: second-generation induction gas methane, carbon monoxide, propane, propylene, butane, butene, acetylene, ethanol, hydrogen
4. Remarks: Nitrogen, oxygen, inert gas (helium, neon, argon, etc.) can choose no alarm
5. Size: 1200*450*1900 mm
