Precautions and instructions for use: 1. The input of the DC motor governor is direct current, and cannot be directly connected to alternating current (such as: household 220V alternating current, otherwise it will burn out2. The positive and negative poles of the DC supply cannot be reversed, otherwise the governor will be damaged.3. The motor can be positive or negative, when the running direction is inconsistent with the expectation. The direction can be changed by adjusting the line sequence.4. The potentiometer knob can change the output duty ratio of the governor, thereby changing the motor speed.Product name: DC motor motor governorModel: CCM96SKInput voltage: DC10-60VControl : 12V*10A=120W, 24V*10A=240WRated current: 10AMaximum current: 20ASpeed range: 5%-100%PWM frequency: 25kHzPotentiometer: resistance B100K; opening 8mm supply voltage: 12V24V36V48V20AThe output voltage is about the input voltage: 0-100%Product size: 88 x 59 x 35mmcolor:Black+beigeMaterial:ABSPackage Contents:1 x DC Motor Motor Speed ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.