1.WOYO PDR009 is easy to use, any worker with a background in metal composition can master it in 3 minutes. 2.Independent Time & Power Mode, More Setting Options. 3.Adjustable Beep Sound to Avoid Interference ( Close, Up, Down). 4.Features a large color display for precise control and monitoring progress in real-time. 5.Application: soft dent, dent in non-marginal area. 6.Repair method: With rapid, focused heating induction on the dent surrounding via the repair handle, the dent stretched and repaired by itself.