Updated and improved version of Cateye`s Mid-tier USB rechargeable light set, perfect for commuters and weekend warriors 400 lumen headlight provides plenty of output to light the way while the 100 lumen rear keeps you visible to motorists Double clicking the headlight`s illuminated power button instantly switches to brightest setting USB-C rechargeability offers ease of use and peace of mind that your lights are always ready to go Multiple modes offer a variety of choices for day or night use