The TGPI395nm light head converts the P.I. tactical LED flashlight instantly into a UV inspection light. No need to buy separate flashlights. The wave length produced by this UV LED light head is used to view:
Best color contrast glasses, Orange, Yellow, & Red
Etched light head to identify which LED is in use.
390 nm Min. 400 nm Typ. 410 nm Max. +- 1nm for peak wavelength measurments.