Alfa Mirage uv pen
Wavelength = 375 nm
Bulb = 1 (NICHIA UV LED)
Weight / Dimensions = 25 g / φ15 x 13 mm
Battery = AAA x 1
Equipped UV LED bulb from NICHIA, who is the top manufacturer of LED in Japan. Strong 375 nm long wave, economical and high performance UV Penlight.
Fluorescence and luminescence of Diamond, ruby, alexandrite can be checked easily.