360° omnidirectional reception of speed measurement signals. Lidar 300-1000 meters distance Full-band induction does not miss the frequency band. Stealth work without being detected. The detector can tell you that you are approaching a speed detection device so you can confirm your speed on the road and react in time.Avoid speeding tickets. Various early warning modes, such as: City mode, Highway mode, etc., have stronger anti-interference performance. On-board radars can help you better understand the unknown road conditions, so that your driving is more safe, more comfortable. Powerful, support a of languages, such as English, Russian, ?Chinese, ?give you a better use of the experience. Voltage: DC 12V Colour:Black Material:ABS Size:About 10.3 x 6.5 x 2.8 cm / 4.06 x 2.56 x 1.1 inches Package Contents: 1x Speed detector 1x Car charger 1x Anti-slip mat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.