Features: 1. Free steel reducer gear 2. Runva patent two stage planetary gear reducer 3. Two speed and clutch integrate with one handgrip 4. Runva patent clutch and speed shift structure 5. Clutch and two gear actions auto engagement 6. Automatic screw cone braking action 7. Low oil flow stable working motor 8. Vehicle's existing steering power pump drive 9. DC 12V or DC 24V Power drive optional 10. Remote control 11. Wireless remote control availabl 12. SWR tensioner available 13. Can not use it working as lift.