jackery09

There are many types of green laser pointers, and their light can extend far, which is considered to be the best tool for viewing the starry night sky. People will understand the difference between these laser pointers, because there are different types of green Rechargeable Laser Pointer on the...

It is understood that this year's CCTV 3.15 party experts have a laser pointer Infraot with a power of 4500 milliwatts. The moment the laser launch is turned on, a dozen balloons are lifted up. It took a while for the laser pointer to aim at the dark clothes and found a hole in the clothes. The...