UVA: Wavelength 320-400nm

1. It conforms to the phototropic reaction curve of insects, and can be used to produce insect luring lamp and mosquito killing lamp.

2. It Is the central area of ​​plant phototaxis, which can stimulate anthocyanins, and it is used for plant lighting.

3. It can identify fluorescent agent under irradiation and make it glow, which is widely used in gem identification.

4. Irradiation in the scorpion shell, will make it emit fluorescence, can be used to make scorpion lamp.

5. UVA can stimulate the photocatalyst, produce strong oxidizing substances, play a role in sterilization and deodorization.