Rotary encoder potentiometer switch forcar dvd and car lift 1 high quality 2 Passed ISO9001,ISO14001, ... ISO/TS16949 Rotary encoder potentiometer switch for car liftWe produce rotary encoder, potentiometer and switch.rotary ... , Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control ,interphone,sport equipment communication equipment, computer ...