BESTSUN USB Rechargeable Bike Light Set, Smart Bicycle Headlight, Bike Front Lights Back Safety Flashlight, Bicycle Lights, IP65 Waterproof, with Free Tail Light for Kids Men Women Road Cycling PECULIAR INTELLIGENT LIGHT SENSATION FUNCTION -Extremely Bright, Adjustable Modes, five gear selections: the first gear is called intelligent light sensation with a light sensor at the top, which puts up the light as the environment gets darker and darkens when the environment lightens up. The auto mode goes off after the bicycle is not in motion and turns up after detecting vibration. Other gears are for dim light , hard lights and quick flash adjustment functions, all of which are practical. SUPER BRIGHT BIKE LIGHT - Ultra Bright 400-lumens LED powerful bike light can light up the whole road to improve visibility at night to keep you safe and the light distance can reach up to 300 ft. EASY INSTALLATION &Versatile Usage And Placement - Easy to install, disassemble and carry as flaslight, Integrated,Practical, Reliable, and Durable,Energy Saving,Convenient with 360-degree swivel ability and indestructibly built bike head lights for travel ,Mountain,walking and riding USB RECHARGEABLE HEADLIGHT AND TAILLIGHT  Both the headlight and taillight can be charged by USB cable via computers, chargers or portable power bank. 700 lumens LED front lamp makes the brightness double than others. More than 164 feet distance keeps your safe on dim night light. The high-quality rear light also keeps your back side visible by motorists. MULTIPLE PROTECTION DESIGN - Waterproof and Explosion-proof design with IP65 Aluminum and ABS, multiple protection design including protection for over-current,over-discharge,overcharge, and short circuit,can be adapted to all kinds of weather bicyle intelligent touch control switches lights