EagleTac T25C2 1180 Lumen Flashlight XP-L HI LEDCREE XP L HI LED (Cool White) Circuit C3300 Extreme3: Synchronous buck w efficiency of up to 95%, Non dimming constant current regulation for all output levels without flicking, Low dropout voltage, enable circuit to current regulate even with a single 18650 for most of the runtime at turbo output, Turbo boost technology. Max output 1180 Lumens Regular and tac mode operations plus 7 auxiliary outputs Upgradable LED and driver drop in module User