Gemini xera 950l light set 2 cellat 950 lumens the geminixeraled light setmeans serious business in the high power light category driving this powerhouse is a single cree xm l2 u4led emitter the most efficient high power led on the market the geminixerais both lean and mean weighing in at just 55g fit for racing and fit for you there are tenbrightness levels between10 100 for your low med highand flash modes each mode is programmable so you can adjust the modes to your own