Description: - 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 3 hours to be fully charged while be used for about 12 hours. - USB rechargeable bicycle light and auto cut off when fully charged. Specification: LED: XML T6 LED Waterproof Level: IP-65 Material: Aluminum Alloy Size: 54.5x75mm / 2.1x3inch 3 Modes: High-Low-Strobe Powered By: Built-in Battery 2200mAh 3.7V Equipped with high brightness imported XML T6 LED Package Includes: 1 Piece Bicycle Lamp 1 Piece USB Cable