The list of products differs depending on the number of sensors, so please pay attention to the selection. Notice: We provide a variety of sensor colors for you to choose from. When placing anorder, please choose the corresponding color. If the color you need is notavailable, please tell us. We have many colors to choose from. The sensor can alsobe painted by itself, if necessary , Please choose white. Product special: 1: With 6 numbers, it can display the distance of obstacles. It is more helpful than ordinary display with only one number. 2: There is a light bar on the display, which can distinguish different orientations of obstacles. 3: Buzzer reminder, when the obstacle is closer, the alarm will be faster. Specification: 1: Rated voltage: 12V DC 2: Rated current: 100mA-300mA 3: Ultrasonic frequency: 40KHz 4: Control module operating temperature: -30-80 degrees Celsius 5: Display working temperature: -20-70 degrees Celsius 6: Sensor diameter: 22mm 7: Installation method: drilling For each order product, we will be responsible for testing and packaging to ensure that high-quality products can be delivered to you quickly. The information displayed on the display is quite rich. Through different numbers and light bars, the position and distance of different obstacles are displayed. The numbers, light bars, and sound help the driver to park better. There is a good protective film on the monitor, please tear it off before use! There is a good protective film on the monitor, please tear it off before use! 4 Sensors List 6 Sensors List 8 Sensors List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.