2013newestseller 10pcs 12mm Rotary Encoder Switch with Keyswitch

Rotary encoder coding switch skillet
Includes: 10 Nuts +10 Gasket +10 encoder switch
Specifications:
Shaft diameter: Approx 0.6MM
Shaft length 12mm, total length 20mm
Size (L x W): Approximately 15 × 11MM
Location: 20
Pulse: 20
Rated voltage and current: 5V DC; 10mA
Operation Life: 30000 times
Usage:
A variety of DVD players, CD portable audio, video monitors and other audio equipment control; sound mixers, electronic instruments and other control; each car navigation system, a potentiometer adjustment and menu selection of car audio, common household appliances kind of governor