$17.10
1. Product model: H901
2. Material: ABS
3. Light source type: laser
4. Charging voltage: 5V/50mw green light
5. Battery capacity: 500mAh
6. Charging method: USB
7. Scope of use: Can be widely used in cars, motorcycles, outdoor camping, etc.
8. Function: In rainy and foggy weather conditions, warnings can be projected into the sky to remind vehicles behind to prevent rear-end collisions or to remind passers-by to stay alert.