What's the difference between a hand laser pointer and an ordinary laser pointer?

Laser carved luminous glass can also be used in large shopping malls and restaurants. This enhances the style and class of the decoration, expresses the brand image, and allows for the use of lighting. Fog-proof lamps are made up of the strongest diodes in a vehicle's rear laser designator. In order to obtain high visibility, the fan lights give a clear signal to the rear car. The red line formed after a red light shines on the road warns vehicles behind. The light behind the driver from a distance looks like a "stop line". In poor visibility conditions, such as rainy or foggy days, the laser beam from the rear fog lamp can pass through raindrops. The driver behind the lights looks like a red triangle warning you to keep a safe distance. This kind of green laser pointer rear fog lamp is likely to become the new trend of active safety defense in the near future.