Features:
Wide voltage from DC 7V to 70V , large current 30 Maximum
A switch with Run , Stop , Brake function on the board
Adjust speed by PWM , motor has no noise and shock
Using high pressure MOS , There are three high voltage low resistance capacitors with 100V
A high quality car fuse onboard
This controller can be used for brush motor and fan such as:  power wheels , trolling motor , spray motor ,LED strip...etc...

Note: This controller is just for DC Brush motor , it can't be used for DC brushless motor and AC motor

Specification:
Input voltage: DC 7-70V (70v is the maximum voltage, please live a margin)
Drive current: Maximum 30A (Please use within 30A)
Controlling power:  recommended within 12V 300W  / 24V 400W / 48V 450W / 60V 500W
Duty cycle range: 1%-100%
PWM frequency: 12KHz
Size: 90*59*34MM/3.54" * 2.32" * 1.34"

Package Included:
2 * PWM DC Motor speed controller