Strong 61 cm movement on 10 - 36 VDC. High power 540 Kg power will be reached on 36 VDC. Limit switches and strong hardware for many purpose as 1. Satellite Mirrors , . 2 . To move Gate, . 3. To open the door, ... 4. To lift car with simple power ratio rod . and 4. even adjust your bed position. Safety features as well. ONly one availble.