Welcome To Our Store:Package Includes:1 x Car Radar Detector1 x Sucker Holder1 x In-car Charger (12V)1 x Magic Tape1 x English User Manual1 x Non-slip MatSpecifications:1. Detection Range: 2100m (Front)? 850 (Back)2. Detection Angle: 360＜3. Input Interface: DC 12V4. USB Port: Mini USB5. Dimensions: ( 4.72 x 2.87 x 3.4) / (12 x 7.3 x 3.4)cm (L x W x H)6. Laser Signals: Safety Alert Signals? Strobe Alert Signals? VG-2 Signals? Spectre 1 Signals7. X Band: 10.525GHz8. Ka Band: 33.400GHz - 36.00GHz9. Ku Band: 13.435GHz10. K Band: 24.125GHz11. VG-2: 11.5GHz12. Spectre 1: 13.3GHz13. Laser: 910nm ￦ 50nm14. Strobe: 700nm ￦ 300nm15. Weight: 423oz / 120g16. Color: Red & Black17. Compass: 8-point Compass18. Tone Alert: Adjustable Volume19. Data Display: Alpha / Numeric Dot Matrix Text20. Highway / City Modes: Yes