Sliding gate opener is used to drive sliding gates for residential and industrial uses.It can be fitted with gear wheel or chain wheel according to your needs, and featured with powerful starting strength, capability of overwork at short time. In case of power failure, an emergency release key allows manually operating. Features:1) Gear-drive or chain-drive is optional 2) Self-locked electromechanical gear motor 3) Safety obstruction reverse (an infrared photocells must be installed) 4) Overheat and overload dual protection 5) Emergency release key in case of power failure 6) Output available to photocells, loop detector, IC card, alarm lamp and remote controllerPacking:Heavy paper packing