1. High precision motor stabilizer
2. Over voltage protection
3. With 220V and 110V function, it suitable for area where is both 110V and 220V
4. Output voltage display

Primary technical parameter
1. Input: 70V-130V or 160V-250V
2. Output: 110V± 3% & 220V± 3%
3. Frequency: 50/60Hz
4. Delay or underlay time (for your choice)
5. Do some special stabilizer for your request