Operating voltage: DC 9V-60V Rated current: 10A Maximum current: 20A Output power: 0 -1200W PWM Frequency: 25KHz<br><br>Speed ​​Range: 0-100% Speed ​​Principle: Adjust the current Typical applications: DC 9V 12V 24V 48V 60V DC Speed ​​Controller Motor speed control and adjustment in RC models, fans and smaller pump control, such as RS-360 motor Temperature control in devices such as soldering irons Brightness control of DC bulbs Colour: silver Material: metal<br><br>Package Contents: 1 * Motor Speed Controller<br><br>Only the above package content, other products are not included. Note: Light shooting 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.