JETbeam RRT-0 Extensible Rapid Response Tactical led  Flashlight  XP-G R5 Cree : Features JETBeam patented Infinite  Light Ramping  Magnetic Sensor Technology. By rotating the  Rapid Response  Control Ring at base of head, user can select  different levels of  brightness conveniently from 0.003 lumens to  255 lumens.

Features JETBeam patented Infinite  Light Ramping  Magnetic Sensor Technology.