Power wiring rechargeable laser pointer strongest air conditioner and duct

For lectures and product explanations at housing exhibition halls and trade fairs, power wiring, explanation of installation routes for wiring and piping work such as Rechargeable Laser Pointer, strongest air conditioners and ducts, explanations and education by pointing out points to customers through tourist guides and factory tours. All kinds of lectures, sales, museums, galleries, exhibition games are widely used as guides for travel guides, positioning equipment, modules for incorporation into manufacturing equipment, as well as in outdoor markets and building construction sites. I am. Laser pointer Ideal for work instructions from a remote location in dangerous places such as construction sites and civil engineering work. Inspection work site was the best indicator, laser pointer. A smart laser pointer with a quiet presence Very convenient as a substitute for a pointer outdoors in the daytime The advantage of a green laser is that it "looks bright". It is said that he looks eight times brighter with a green laser, and it is easier for people with color blindness to see.