1.UV flashlight 2.Japan UV chip 3.Power:3w 4.Wavelength:365nm ... UV version of our white light PT10, which works 1*18650 Li-ion battery or 2*CR123A batteries,. It is very ... study, etc.We adop world top UV CHIP for this flashlight. It is reliable for 3000 hours, after 3000 hours, the ...