Specifications:
LED display show parking distance, with inner sound indicate distance as well.
You get 4 sensors and a display along with enough cable . Very easy to install and it comes with everything needed.
You can also expand this system to the front of your car. Pick the 8 sensors option and then you will have your entire car protected by sensors.
Technical parameters:
-Rated Current: 20-200mA
-Power Input: 9-16V DC
-Working temperature: -30-+70
-Display working temperature: -20-+60
-Bi Bi Bi Alarm voice: >80dB
-Ultrasonic Frequency: 40KHz
-Sensor detection range: 0cm-2.5m
-Display range: 30cm-2.5m

Package included:
-1 x Main Control Box
-1 x LED Display
-1 x Power Cable
-1 x Hole Saw
-1 x Double Sided Adhesive Pad
-1 x User manual
-4 x Parking Sensors with 2.5m Line

• 4 Probe - sensitive probe, digital display, easy to install, prevent rubbing, prevent collision. Image sound dual prompt£¬ no false positives, waterproof ,Anti high temperature and low temperature £¬The probe is flush-mounted, multi-color configuration, sensor compact, easy to install£¬make reversing more safer.
• LED digital display - is placed inside the human voice loud and clear, strong anti-interference ability, no broken tone, helping drivers to understand the obstacle information, sound + LED high brightness from the tips, without environmental impact, rainy night utmost advantage, easily reversing and parking£¬easily detect the distance between the car and obstacle.
• Double CPU - good workmanship, fast response,ensure durability and longevity, automatic detection of obstacles when reversing the car, automatically turn on, switch, microcomputer intelligent control, precision digital display obstacle distance, from military technology, accurate and reliable
• Anti-electromagnetic interference - patented technology, international certification of quality assurance - No effect on the original electronic systems.The radar sytem is designed with protective circuits and high quality components to prevent the product from overheating or overloading.
• High Technology - The Auto Safety car reverse radar system has an adaptive environment technology. This helps protect the radar system from freezing and is solid weather proof.

4 Probe - sensitive probe, digital display, easy to install, prevent rubbing, prevent collision. Image sound dual prompt£¬ no false positives, waterproof ,Anti high temperature and low temperature £¬The probe is flush-mounted, multi-color configuration, sensor compact, easy to install£¬make reversing more safer.Auto Safety