... amplifier, DVD player and GPS navigation We produce rotary encoder, potentiometer and switch.rotary encoder,potentiometer and switch for musical instruments, audios ... , and other electronic equipment and household appliances.High quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ISO9001,ISO14001 ... °CPull-push strength: 8 kgf.cm maximumWaterproof performence : 7 grade Max