Specification Brand : Bettomshin BulletPoint : 5Pcs MF-A01 MF-A02 MF-A03 MF-A04 MF-A05 Potentiometer Knob WH118/WX050 Rotary Switch Electronic 6mm BulletPoint1 : Type: EC11 Encoder With Screw Thread;Adjustment Method: 360 Degree;Handle Shape:Full Shaft;Pin Numbers: 7 BulletPoint2 : By rotating the rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency, unlike rotary potentiometer count, this rotation counts are not limited. With the buttons on the rotary encoder can be reset to its initial state, that starts counting from 0. BulletPoint3 : Shaft Height: 20mm/0.78";Number of digits: 20 digits;Rated Voltage: DC 5V BulletPoint4 : Applications: Industrial controls, robotics, photographic lenses, computer input devices such as optomechanical mice and trackballs, controlled stress rheometers. BulletPoint5 : If you have any quality issue or any requests, please do not hesitate to contact us. Color : Onecolor ConnectivityProtocol : X-10 ExternallyAssignedProductIdentifier1 : 0708310836929 ExternallyAssignedProductIdentifier2 : 708310836929 ItemName : Bettomshin 360 Degree Rotary Encoder Code Switch Digital Potentiometer EC11 7 Pins 20mm Shaft 5Pcs ItemPackageDimensions_Height : 33.3 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemTypeKeyword : potentiometers Manufacturer : Bettomshin Material : Copper NumberOfItems : 5 OperationMode : Rotary switch PartNumber : AF114000MCA09-FBA ProductDescription : A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to digital output signals. Rotary encoders are used in a wide range of applications that require monitoring or control, or both, of mechanical systems, including industrial controls, robotics, photographic lenses, computer input devices such as optomechanical mice and trackballs, controlled stress rheometers.