Philips EnergyUp delivers visible light in the
wavelength range from 400-780 nm only. UV or ultraviolet light is not visible and has wavelengths shorter than 400 nm.
Article Published Date : 2018-02-26
Philips EnergyUp delivers visible light in the
wavelength range from 400-780 nm only. UV or ultraviolet light is not visible and has wavelengths shorter than 400 nm.