Zeta 3200 brings a new dimension to night mountain bike riding built with the right efficiency to produce balanced brightness and runtime. This is the new weapon of choice for 24 hour cross-country racing. Every facet of this light is optimized. The Four CREE XM-L2 U3 packs a punch at 3200 lumens. Machining and quality is first rate but the greatest aspect of this light is usability. The Zeta 3200 comes in wired and wireless remote controls.