Compact, rechargeable, and IPX4 waterproof, this front/rear light features an 80-chip COB LED in white or red with multiple modes-full brightness, dimmed, and 6 flash patterns. Easy to control with a short or long press, and runs up to 3 hours on a single USB charge. Brighten your ride with the Nudl LED Smile Light Set. Features: Front/rear LED light set High-output COB LED: 80-chip COB light Multiple Light Modes: Full brightness, dimmed (5/9 brightness), 6 flash patterns Easy Control: Short press to switch modes, long press to power off Waterproof: IPX4-rated for all-weather riding Rechargeable: USB-powered for convenience Run Time: Up to 3 hours on a single charge