Laser pointers up to 4.99 mW are considered to belong to the 3R category. It can burn the retina, but under normal conditions of accidental exposure, people will look away or blink before irreversible damage occurs. The wavelength and power of the laser product determine the degree of damage of the laser to different tissues of the human body. The wavelength determines the absorption characteristics and damage mechanism of the laser. The power is related to the degree of laser damage. They look like business cards for laser products, representing how harmful it is, and users should pay attention to them. Is Class 1 laser safe? Some Class 1 high powered laser are harmless to humans due to their inherent low transmission power, but not all lasers are like this. Many Class 1 lasers can use Class 3B or Class 4 laser sources internally. If we misuse it, opening the protective case of the machine or deliberately changing the light path may cause more laser beam leakage, which may cause personal danger.
Although the powerpoint laser pointer presenter is powerful and can do a lot of work, it should be safe when used. Blindly pursuing high power will bring danger and increase costs. Many users search the Internet for "5000mW Green Laser Pointer" and often find many results in Google-we can be 100% sure that it is fake! To ensure availability and safety, please carefully identify and select before purchasing. Laser pointers, laser measuring instruments, laser pointing tools, etc., are contacted and used by ordinary consumers. Their scores are generally not higher than 3R. Some markets, such as Europe, Australia, etc., require indicating lasers, such as laser pointers, to meet Class 2 or lower requirements before they can be sold.