1. The eight core functions simplify the complexity and focus on practicality, and each function is born for your safety 2. The full-frequency mobile speed measurement radar speedometer can receive XK, KA, CT, LASER and other advance speed measurement warnings at a full frequency. The distance is 200-800 meters (accurate speed measurement is 300 meters) to ensure driving safety. 3. All-round depth warning, front and rear scanning effective speed measurement point distance is 800M in the forward direction, 300M in the reverse direction, timely warning at any angle, no blind zone in speed measurement. 4. Accurately measure the speed of the car, the LED display allows the driver to know the current driving speed, easy to operate and master the method of use 5. Mobile speed measurement and early warning, imported radar speed measurement, full frequency band without missing frequency band, real voice prompts to stay away from speeding and avoid distress Product Description: Type: Radar speedometer Measuring range: 200m-800m Measurement accuracy: 200m Resolution: digital tube LED display Working voltage: 12 (V) Scope of application: general purpose Material: plastic colour: black Package Contents: 1 x host 1 x charging cable 1 x anti-skid mat 1 x English instructions