The Solite 250EX comes fully loaded with the bike mount, headstrap and features a high capacity battery with tremendous run-time - up to 150 hours in camp mode 250 Lumen output certified to the FL-1 Standard Award winning design with patents pending Engineered with the highest level CREE LED and optimized firmware Custom engineered reflector optimizes the light to provide the most efficient and effective distribution for all your outdoor needs True regulated output; doesnt dim over time Accurate battery status indicator with 4 led coded status levels Red side lighting to offer 180 degrees visibility without affecting night vision Simple mounting system makes it possible to mount to just about any bar, including your bike stem, tent pole, etc. MicroUSB Rechargeable (Fully charges in 7.5 hours) Low battery warning and auto shut-off to prevent damage Multiple power settings: High 4h00 / 250 lumens, Med 8h00 / 125 lumens, Low 30h / 50 lumens, Pulse 60h / 50 lumens, S