rotary potentiometer 1.Passed ISO9001,ISO14001,ISO/TS16949 2.Rotational life : 100000 cycles 3. Brand: ALPS and LJV rotary potentiometer 1.Passed ISO9001,ISO14001,ISO/TS16949 2.Rotational life : 100000 cycles 3. Brand: ALPS and LJV Rotary encoder,potentiometer with switchFor interphone,musical and audios instruments, medicalequipment,DVD,GPS navigation High quality, long rotary lifeConfirmed by ...