Physical  Properties:
1) Lifting capacity: 1 ton / 1.5 tons / 2 tons
2) Supply Voltage: 12V
3) Maximum working current: 10A
4) Lifting height: 12CM--35CM
5) Working temperature: -40 --- +90 degrees centigrade
6) Net weight: 4KG
7) Total length of wire: 4.5M

Features:
1)Auto overload protection: the jack will stop automatically when overloaded
2)Electricity, no outer devices needed
3)German engine with superlong working time
4)Auto-limit of the lifting height: the jack can go up and down freely during the range, stop when out of the range

Inquiries are welcome.