What is this?
The universal DC motor speed controller is suitable for 12-24V DC electric appliances such as fan heaters or fan speed control switches, etc. Effective to use for speed adjustment.

What will I get?
Overall Dimensions: 89 x 32 x 35mm/ 3.5 x 1.26 x 1.38-inch(L*W*H);
Voltage 12V or 24V;
In the package of: 1 DC motor speed controller with heat sink;

Are there any advantages of the product?
This is an upgraded motor rheostat designed with heat sink that will ensure a better heat dissipation of universal DC electric appliances. Simple to use and easy to adjust.

How to use it?
Three different colours wires for different connections. Red wire is connected to the positive pole of power supply and motor, blue wire is connected to the negative pole of motor, and black wire is connected to the negative pole of power supply.