Water Proof Type Ultrasonic Sensor Supply to OEM Automotive Manufacturer with OEM Quality Standard Water-proof ultrasonic sensor is the core component of Parking System. Audiowell is the main supplier of water- proof ultrasonic sensor for OEM manufacturers of Automotive, which means the quality and performance of our products is up to the standard of automotive e Quality control standard of Automotive OEM manufacturers • Outstanding consistency and stability e High sensitivity and low power consumption ° Excellent waterproof performance and weatherability