About this item Eight LED Emitters – High efficiency LED emitters allow a compact case to shine 1000 lumens using an engineered optical design, with integrated cooling fins for optimal battery efficiency Daytime Modes: daylight working modes help cars notice you when riding to ensure you don't get in trouble WATERPROOF - Lightweight aluminum housing with sealed components allows this lamp to withstand light to moderate rain and keep trail and road brightly lit, with IPX7 rating Power Pack + compatible: additional USB-C compatible battery that can almost double the running time of most new lights from Lezyne USB-C RECHARGEABLE Keep these lights charged between rides with any USB-C cable, with fast charging times to ensure your lights are charged between rides › See more product details