The powerful and versatile Night Evolution X300U features a high-performance LED that generates stunning white light producing a tight beam with extended reach and significant surround light for peripheral vision. The virtually indestructible and highly efficient LED generates tactical-level light, more than enough to overwhelm an aggressors dark-adapted vision.Activating the X300U is done via ambidextrous switching located at the rear of body, providing one-finger contro press the switch on either side for momentary-on activation, flip up or down for constant-on activation.