MZ030162 Holding Force: 380kgs(830Lbs)Working Voltage: 12VDC or 24VDCWorking Current: 480mA(12VDC) or 240mA(24VDC),For Single Door UseSurface Mounted,Door will open when power is off(NO COM),Suitable for wooden door, glass door, metal door or fireproof door,With LED light,Coil Material: Pure Cooper, large current, few residual magnet, low temperature, large force, long life,Size (L x W x H): 285 x 55 x 29mm