Bullet Points:1. Warning Signal: The blind spot aist system is prophetic. When a vehicle is detected in the blind spot area, the exterior mirrors will illuminate with a red triangle.2. Works Well in Most Conditions: Whether on the highway, rainy day, foggy day, or night rearview glare, this Blind Spot Detection System Kit will aist you to change lanes safely3. Precise and Sensitive Detection: 24GHZ millimeter-waves radar with high sensitivity, high stability, and high-precision algorithm has a wider detection range (large-scale detection of the rear of the vehicle)4. Safe Driving: Radar Blind Spot System keeps you safe while on the road. It avoids the poibility of side crash accident when lane changing, turning, and backing up. 5. Easy Installation: This Blind Spot System is easy to install, with no complicated tools required, and convenient to use. Installed on both sides of the back bumper to ensure invisibility. Feature:1. The exterior mirrors will illuminate with a red triangle if a vehicle is detected in the blind spot area.2. No worries about rain, fog, or night rearview glare.3. High sensitivity, high stability, and high-precision algorithm.4. A great vehicle auxiliary equipment helps the driver safely drive and avoid side collisions. 5. Widely applicable to DC12V sedans, compacts, SUVs, MPVs, pickups, etc. Specification:1. Name: Radar Detector2. Size: about 25*20*7cm|9.84*7.87*2.75 inches3. Material: ABS4. Applicable models: car universal5. Detection range: 10 meters6. Product function: Parallel auxiliary 7. Alert Type: Active Alert Packing List:Radar Detector*1Notes:1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color which is showed in the pictures.2. Please forgive a slight measuring deviation due to manual measurement.