Specification: Product: Potentiometer Frequency Converter Overall length: 65mm Width: 30mm Mounting hole diameter: 22mm / 0.87 inch Resistance tolerance: + / - 10%; Resistance value: 5K Ohm; Working temperature: - 20 + 55 Degrees Celsius Color: Black Resistance adjustment mode: Rotation Type: with Switch Package includes: 1 x Potentiometer Frequency Converter High precision, strong stability, and long service life. The standard button switch design is adopted, and the mounting hole is 22mm, which is convenient for opening and installation, making the product more convenient and beautiful. Screw installation, no need for electric soldering iron and solder, making installation easier and environmentally friendly. It can be used as a two-terminal assembly or as a variable resistor, which is composed of a resistor and a rotating system and can adjust the voltage and current. Used for inverter reverse drive and variable frequency speed regulation.