1. Input power supply: 12VDC, wind power complementary power supply.
2. Working power supply: 12VDC, power not higher than 300W.
3. the carrying distance can reach more than 4500 meters.
4. See: E12-200GT-WS Rail Top Friction Improvement Device Technical Scheme

Occasions where there is no external power supply in rail transportation such as large railways, subways, light rails, steel mills, docks, etc.