Door Opener (garage door hardware ): DEC:Electric Machinery Door Opener Door Opener (garage door hardware ):(1)DEC:Electric Machinery Door Opener(2)Voltage : AC220V±10% 50Hz(3)Max Wattage: 120W(4)Unload Loss: ≤2W(5)Motor Type: DC24V(6)Light: AC24V5W(7)Pulling Force: 800N(8)Force Adjustment: Automatic(9)Auto Close and Light Auto-off: Yes anf 3min(10)Lifting Height: 2.1m, 2.4m, 2.7m,3.0m(11) ...