DuaLens Optical Design for road biking mode, providing broad closed range flood light with anti-glare low beam for commuting, no dazzle and glare for oncoming traffic
HiLo Beam System for Mountain Biking and Emergency Modes, providing illuminating light similar to automotive headlight with far reaching high beam and low beam
Intelligent Memory circuit remembers the last used brightness level and mode when turned on again
LED real-time display to show remaining runtime in each brightness level
Micro USB charging port, compatible with most phone chargers
USB output port to charge other USB-powered digital devices
Intelligent thermal management circuit to prevent overheat of LEDs
Quick release design for easily slide in and out
Compatible with handlebar from 22.2mm to 31.8mm diameter
20 hours run time
Max 900 lumens, 3 modes and 8 brightness levels for various riding environments
Technical Spec
LED: 2*CREE XP-G2 with a lifespan of 50000 hours
Battery: 5200mAh/3.7V rechargeable Lithium-ion battery
Dimensions (Headlight): 100mm (L)*48mm (W)*27mm (H); 
Weight (Headlight): 202g
Materials: The front and main body is made by aluminum with Mil Type III Hard Coat Anodizing; the rear part and the handlebar mount are made by durable plastic