Solenoid valve(1/4'',1/2'',3/4'',1'') Technical Parameter 1.For gas:natural gas;liquefied petroleum gas;artificial gas and other non-corrosive gases 2.Drive voltage:DC9V~DC12V(Pulse) 3.Valve Material:Brass Alloy 4.Drive current: - Update: 2011-12-22

Technical Parameter 1.Power supplied DC9V battery or li-battery back-up 2.110V-240V AC power supply 3.Supply voltage DC12 to 30 volts 4.Rechargeable battery or lithium 10year 9 volt battery 5.Interconnect up to alarms 6.Photoelectric sensor ... - Update: 2011-12-22

Electrochemical domestic carbon monoxide detector Product Description: Gas detected: Carbon monoxide Working voltage: AC220V/AC110V, 12VDC-20VDC - Update: 2011-12-24

Export-oriented electrochemical domestic carbon monoxide detector Product Description: 1. Model No.: cmd-7 2. Gas detected: Carbon monoxide 3. Size: 163mm*87mm*40mm - Update: 2011-12-24