Nitecore THUMB LEO Survival This flashlight is powered by

This flashlight is powered by either 1 x 18650 Li-ion

again for the UV light and a third time to turn off

The LED lights show the current power level

This is the top performance choice among ultra slim flashlights

Nitecore THUMB LEO Survival This flashlight is powered byUSB Rechargeable Li ion battery built in Ultra lightweight and portable weighs only 25g with battery and clip White Ultraviolet dual outputs Red blue police warning strobe 120 degree adjustable head prevents illumination dead zone A handy front facing light weight flashlight with UV. Idea for Door Supervisors and those needing to check ID or money in a frontline situation. The addition of a red blue warning strobe makes for bright easily visible