Auto Parking Sensor System 1. With on/off button for inner buzzer 2. Mature design & trustworthy quality 3. OEM/ODM welcom Auto Parking Sensor System with on/off Buzzer LED Display Specifications:1. Digital LED display, with inner buzzer can be turn on/off as you like.2. Turns on automatically when you begin to reverse. 3. If an object is detected while backing up, the system omits audible beeps, ...