Features:The rotary encoder has switch function.Made of high quality material, anti-corrosion, wear resisting and durable.Sensitive response, stable performance, long service life.Simple structure, easy to install and use.Widely used in automotive electronics, multimedia audio, instrumentation, household appliances, smart home, medical equipment, etc.Specification:Rotation Angle: 360 degrees (no stop point)Rotation Life: 30000+200 CyclesContact Resistance: 100mInsulation Resistance: 100MOscillation: 10mS pressingOperating Temperature: -30~80CStorage Temperature: -40~85CPackage List:10 x Rotary Encoder10 x Nuts10 x WashersNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..