ITEM NAME:10K Ohm Rotary Potentiometer Module for Arduino PIC AVR MCU DSP JR Features: 100% Brand new and high quality. Material: Electronic components + PCB Main color: Black Working voltage: 5V Pulse circle: 20 Package Included: 1 x Rotary Encoder Module.1 x Rotary Encoder Module. Pulse circle: 20. Main color: Black. Material: Electronic components + PCB.