1) Hand and remote control
2) Run smooth and low noise
3) Reverse the closing door if something block the door board
4) Stop the opening door if something block the door board
5 ) Soft-start/soft-stop, run with slow-quick-slow
6) Alarm function
7) Can be affixed infrared safeguard, double-protection
8) Accurately adjusting the door by keystroke
9)Driving with 24V DC motor, lifting capacity is greater
