Area of application:1.Healing imaging system 2.automatic machine control 3.Production equipment and film frequency compilation 4.move the photo and television control system 5.Instruments for industrial and scientific use Item Type:Switches Switch Type:Push Button Switch Model Number:Joystick Potentiometer Delivery value:standard 10 kΩ Restore tolerance:+/- 20% Independent linearity:+/- 1% Resolution:essentially infinite outpoot softness:max 0.5% Fine and durable workmanship. colour:black Material:plastic Size:About 95 x 50mm Package Contents: 8 x joystick 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.