Usage Tips:Digital Display Potentiometer Variable Resistor 5K 10K 20K 50K 100K DC 6-30V Signal Simulator for Speed Controller Inverter SD003-DVR It can replace the commonly used low-power single-turn potentiometers with the same resistance value: Digital display potentiometer Input voltage: 6-30V DC Suitable for replacement of small power potentiometers Can be connected to the speed controller,inverter. Adjustable range: 0- , for example, if choose 10K , then the adjustable range is 0-10K. The Displayed values can be set by the user. Dimensions: 79 x 26 x 43 mm / 3.11 x 1.02 x 1.69 inches (The color may be slightly different when leaving the factory, but it will not affect the use.) Color: As shown Material: plastic Package Contents: 1 * Digital Display Potentiometer Only 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.