This is a kind of quality speed controller, which adopts ABS flame-retardant housing, wear resistance and can provide long service time. The governor starts slowly and has a soft-start function. The governor starts slowly and has a soft-start function. Anti-slip rotation knob design for easy adjust the working speed. You can have a try.

Features:
Adopts ABS flame-retardant housing, wear resistance and can provide long service time.
The governor starts slowly and has a soft-start function.
400W high power can provides stable performance.
Anti-slip rotation knob design for easy adjust the working speed.

Corotation and reverse adjustable, easy to adjust according to your demands. 
One button to on/off the motor, and please disconnect the powersupply when it is necessary to stop the operation for a long time.

Specifications:
Name: Speed Controller
Model: US-52
Material: ABS
Power: 400W
Item size: 113 * 100 * 60mm / 4.45 * 3.94 * 2.36in
Item weight: 249g / 8.78ounce
Package size: 120 * 107 * 85mm / 4.72 * 4.21 * 3.35in
Package weight: 281g / 9.92ounce

Packing List:
1 * Speed Controller
1 * Flat-plug Cable (single-row 6 pin type)

Shipping:

1.We guarantee to ship goods out within 24-72 hour after