New High-Quality Features: Frequency Control. Glass Core, High Precision. It Is A Resistive Switch Used As An Electronic Component In Electronic Tool Equipment And Smart Homes. Rotary Potentiometer Only, Other Accessories In The Picture Are Not Included Demonstration Specifications: Resistor Type: 1K, 2K, 5K, 10K Protection Level: Ip65 Material: Galvanized Copper And Plastic Dimensions: 4.8X2.9X2Cm/1.89X1.14X0.79Inch Installation Hole Diameter: 2.2 Cm/0.87 Inch Color: Black Quantity: 1 Piece Note: 1. Please Allow 0-1 Cm Error Due To Manual Measurement. Please Make Sure You Don'T Mind Before Bidding. 2. Due To Differences Between Different Monitors, The Picture May Not Reflect The Actual Color Of The Item. Thank You Packing List: 1 X Rotary Potentiometer (Without Retail Packaging)