... Any display, control unit connectable 2. Sensor flat to bumper, like original Ultrasonic sensor parking system: Product Feature:- "BiBi" audible ... warning buzzer in 3 steps, OEM sensor- Same as original sensor, flat ... 0.3 ~ 1.2m for front (distance can be ordered)- Ultrasonic frequency: 40KHz- Working temperature: -30ºC ~ +80ºC ...