Ultra Bright USB Rechargeable Bike Light Set - Powerful Front Headlight and Rear Taillight, 4 Light Modes for Road & Mountain Cycling

4 Light Modes: Full brightness, half brightness, slow flashing, and fast flashing for customizable visibility USB Rechargeable: Built-in lithium batteries (2000 mAh for headlight, 330 mAh for taillight) for long-lasting power IPX4 Waterproof: Designed to withstand light rain and splashes for reliable performance in various weather conditions Easy Installation: Headlight includes a mounting bracket for handlebar attachment; taillight uses a silicone strap that fits most seat posts without tools Enhanced Safety: Ideal for nighttime cycling, hiking, camping, and emergency use, providing clear visibility and increased safety