STR555 Car Radars Detector Sensitive Vehicle Speed Alert Alarm Warning Full-Band Monitoring Radars Features: Advanced Induction System. Full-band induction does not mi 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.,With red light alarm, can effectively monitor the red light on the road, to avoid the accident of running the red light.,On-board radars can help you better understand the unknown road conditions, so that your driving more safe, more comfortable.,Powerful, support a variety of languages, such as English, Chinese, give you a better use of the experience., Specification: Voltage:12V Material:ABS Size: Approx. 10 x 6.8 x 3.2 cm / 3.94 x 2.68 x 1.26 inches Note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item. Package includes: 1 Set Car Radars Detector(As Picture Shown)