Fangrui Product Details Digital Display Potentiometer Variable Resistor 5k 10k 20k 50k 100k Dc 6-30v Signal Simulator For Speed Controller Inverter Sd003-dvr It Can The Commonly Used Low-power Single-turn Potentiometers With The Same Resistance Value: Digital Display Potentiometer Input Voltage: 6-30v Dc Suitable For 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 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.