1. The eight core functions simplify complexity and focus on practicality, with each function designed for your safety. 2. The full-frequency mobile speed measurement radar detector provides advance warnings for XK, KA, CT, and LASER speed detection across all frequencies. Detection range is 200-800 meters (accurate speed measurement up to 300 meters) to support safe driving. 3. Comprehensive depth warning system features front and rear scanning with an effective speed measurement distance of 800 meters forward and 300 meters backward, delivering timely alerts from any angle without blind spots. 4. Accurately measures vehicle speed; the LED display allows drivers to monitor current driving speed easily and intuitively. Type: Radar Speedometer Model: V8 Measuring Range: 200m - 800m Measurement Accuracy: 1-3m Display: Digital LED Working Voltage: 12V Material: Plastic Color: Black Package Contents: 1 x Host Unit 1 x Car Charging Cable 1 x Anti-Slip Mat 1 x English User Manual Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement error allowance is 1-3cm.