The Reflex1 possesses Intelligent Brightness Control. A feature that provides the user with the appropriate amount of light for every situation. Check us out at www.reflexflashlights.com. The flashlight automatically dims down when there is a lot of reflected light. The Reflex1 brightens up when there is little reflected light. The main use case is for first responders doing paperwork. We have several local police officers field testing them now.