Akslen HL-92, 5 LED, 3 Modes, 850 Lumen Bike Light Bicycle Headlight with Bicycle Clamp 5 White LEDs, Advanced Super Luminosity, 850 Lumens Optimized Lighting Pattern for Cycle Headlights 3 Modes: Full power, City Eco, and Flashing Quick-release 180 degrees adjustable bracket (Clamps for diameter 22 - 30 and 30 - 38 mm) Easy battery change and bracket mounting, totally tool-free, includes: bicycle headlight, bicycle clamps, 2 AA batteries