ITEM NAME:10pcs 12mm switch rotary encoder with key switch L1R1 10pcs 12mm switch rotary encoder with key switch L1R1 This is the continuous rotary encoder switch With built in push button (push to operate) Can be used to capture data as modern in car CD players, for volume control and on / off or data selection via LED or LCD display Perfect for use with PIC or Atmel minicontrollers Color: As shown Length of the rotating shaft: Approx. 12mm Total shaft length: Approx 20mm diameter of the tree. Approx. 6mm Size (W x D): Approx. 15 x 11mm Position: 20 Pulse: 20 Output: Gray code 2 bits Closed circuit resistance 3 ohms Maximum Max. Rating: 10mA 5V DC Operating temperature: -30 to 70 degrees Celsius Storage temperature: -40 to 85 degrees Celsius rotation of Life: 30000 cycles minimum The life of the switch: 20000 cycles minimum Material: iron, plastic, aluminum The package includes: 10 x coding switch 10 x nut 10 x joint Note:Light shooting 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 +/- 1-3 cm..This is the continuous rotary encoder switch. With built in push button (push to operate). 10 x joint. The life of the switch: 20000 cycles minimum. 10 x coding switch. Material: iron, plastic, aluminum.