Gas Alarm with Shut off Valve

Product Description
Gas detected: Gas, LPG, H2
Size: 86mm*86mm*60mm
Working voltage: 220 VAC /110 VAC, 12VDC-20VDC
Additional Function: shut-off valve
Networking: wired networking（NO, NC）
Patent NO. : 200830103202. 4
Wireless networking mode: 315MHZ/433MHZ (2262 OR 1527)
Specific characteristic:
(1) long service life
(2) Our alarms have been solved the phenomenon of sensor drift, which can

prevent the alarms from false alarm or omission.
(3) Automatic diagnosis, error warning and prompt functions