... quality , lowest price dc motor gear encoderencoder brushless motorRotary Potentiometers use for Sound Instruments, car amplifier, DVD player ... Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume Control ,interphone,sport equipment communication equipment, ... cyclesSwitch lifespan: 15,000 ± 200 timesSwitch rating: 12V DC, 1A (maximum)Switch operating force range: 150 to ...