Sole patent appearence design, high grade silver silver frosted surface treatment, showing all the fashion.

Original one key confirmation visualization operation system, it makes all the function settings very easy and rememberable.

Fault limit intelligently recognized, the limit will be recovered in case failed three times continuously, largely reducing after sales customer service.

Infinitely variable speed design, it makes the soft start and soft stop.

Original design precise clutch, it can make the torque very stable and avoid any diminishing.
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