Weltool M2-BF “Purple Beard” UV 365nm UV
USD 80.50 USD
Specifications
| Brand | Weltool |
The visible wavelength range to the human eye is 400-700 nm, while the dominant wavelength of the M2 flashlight is 365 nm with less visible light, so the M2 is not "bright" in the eyes and it's not designed for use of illumination.
