● Chain drive with motor, gear box to work out silent and stable performance. ● Extremely strong U shape molding column. ● Entire lifting scope with security locking protection. ● Up-limit protection and foot protection. ● Chain security kit to stretch drop in case chain break down. ● Emergency stop button and alert lighting. ● Photocell monitoring kit to stop “down” in case incorrect operation while vehicle downstairs. ● Automatic operation. ● 2160mm net height for SUV high-ceiling vehicle.