Product Description Product description Installation drawingSafety InstructionPlease ensure that the using power voltage matches with the supply voltage of gate opener (AC110V or AC220V); kids are forbidden to touch the control devices or the remote-control unit. The remote-control unit is controlled by a single button mode or 3 button mode (please refer to the instructions … Continue reading China supplier CHINAMFG Slg52802 Residential 600kg Gear System Electric Sliding Gate Opener Door Motor vacuum pump diy