Features: 1. Professional manufacturing, stable performance, high accuracy and good reliability. 2. Constructed with premium material, high quality and durable. 3. Function: voice navigation, radar flow velocity measurement, fixed double flow measurement. 4. The receiver is radar head. It has high tracking sensitivity, fast GPS starting time. 5. Driving safely and avoiding any Traffic fine. Suitable for universal car type. Specification: Condition:100% Brand New Applicable to: all models Resolution: 800 x 480 Receiver: radar head Positioning accuracy: 10 (m) Speed accuracy: 10 (m/s) Tracking sensitivity: 10 (dBm) GPS startup time: 10S GSm frequency: 50 hz Difference accuracy: 1 Storage: 4G The time accuracy: 10S Refresh frequency: 60Hz The communication distance: 1000M Interface type: 3.5mmdc port,USB Map type: gaud Function: voice navigation, radar flow velocity measurement, fixed flow double measurement Operating system: Linux One additional Function: cloud upgrade (free upgrade). Package list: 1 * Radar Detector 1 * Car Charger 1 * Anti-slip Pad . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.