1\Complete european design philosophy ,beautiful ,safe and stable2\In fulfillment with GB7588-2003,EN813\Using ACVVVF motor drive,controlled by controller4\without limit swithch5\Drived by belt , low noise6\Strong resistance of electrongnetic interference7\Speed , position and torque adjustable for opening and closing curve8\Output set according to customers requirement ,input & output isolated9\closing force adjustable,door re-open automatically while exceeding closing force10\Totally reliable , towed truck with unique security device11\Synchronous and offsetable door cam , can be integrated with mechanical car door lock