Item Describe: 1. and 2. Type: Solar anti-theft warning lights 3. Material: Engineering ABS 4. Size: 50 x 26 x 15mm 5. Color: Blue and Red 6. Intelligent induction, do not work during the day, solar automatic charging, automatic flash at night 7. The light can discourage break-ins in nighttime. 8. Built-in light sensor, this LED light will flash in nighttime and will not flash in daytime. 9. This LED alarm light does NOT require a car alarm system. 10. No wires needed, just stick it to the roof of the vehicle with corresponding glue. 11. Solar energy can be absorbed and saved in high efficiency solar cells. 12. Do not need to install battery. It's powered by solar. It can blink for whole night after enough sun shining in daytime. 13. You need not put it under sunshine directly. Sunshine above the dashboard is enough. 14. It can be charged by solar whether you put switch to on or off . Switch is tiny. You need a ballpen or little stick to push it. Package includes: 1 x Alarm LED Light Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.