HIGH INTENSITY BRIGHTNESS and ADJUSTABLE 3-MODES:
High efficiency and High brightness and reflect long distance with adjustable multi-mode: High mode, Low mode, Bike lights Strobe mode.

 - USB RECHARGEABLE WITH LONG RUN TIME:
USB Rechargeable Smart Touch Switch Bicycle Headlight, built-in battery Larger capacity up to 2200mAh.

 - MULTIPLE PROTECTION DESIGN:
Waterproof and Explosion-proof design with IP65 waterproof design. Multiple protection design including protection for over-current, over-discharge, overcharge, and short circuit, can be adapted to all kinds of weather.

 - EASY INSTALLATION and Versatile Usage:
Easy to install, disassemble and carry as flaslight. Integrated, Practical, Reliable, and Durable, Energy Saving, Convenient with indestructibly built bike head lights for travel, mountain, walking and riding.

 - HIGH QUALITY INTERNAL LITHIUM BATTERY:
only need about 2 hours to be fully charged while be used for about 12 hours. - USB rechargeable bicycle light and auto cut off when fully charged.