rotary potentiometer 1.High quality, long rotary life 2.For ... audios,medical equipment, Walkie talkie,DVD,GPS navigation Potentiometer :12 mm rotary encoder,potentiometer and switches for musicalinstruments, audios,medical equipment, ... HONDA SONY,TCL.etcPassed ISO9001,ISO14001,ISO/TS16949 Rotary encoder,potentiometer with switchFor interphone,musical and audios instruments, medicalequipment,DVD ...