flashlightguide.com
Review: SureFire G2X Pro and G2X Tactical - FlashlightGuide
The SureFire G2X is a compact handheld flashlight powered by two 123A lithium primary batteries and rated to produce up to 320 lumens of output with its Cree XP-G2 emitter. Constructed with a tough polymer body, the G2X is available in two configurations providing switching and output options