Features: Safety on the Road: The cycling helmet light is highly visible in the day and night other drivers can see you from yards away. The front light has a focused beam(200 Lumen) that can illuminates the road in the darkest night driving conditions. Circular Beam Light: The front light outputs in a circular beam for broader brighter road coverage for day and night visibility. No shadows and no dark area when riding. USB Rechargeable: With rechargeable battery a full charge can be used up to 30 hours in rhythm flash mode. Perfect for your long ride. USB rechargeable fit the power bank charging plug and laptop. 5 Lighting Modes: The helmet light has five lighting modes including steady mode slow flash mode fast flash mode rhythm flash mode and battery life flash mode. The front and rear lights can be switched on and off or to different gears individually by independent switch control. Waterproof: The helmet light can use for bicycle scooters take the light when you walk or run or on your camping trip keep it in the car for an emergency with waterproof which can be used on rainy days. Specifications: Weight: 57g Size: 86mm*23mm Material: ABS+PC Charging Input: 5V-280mA Waterproof Grade:|P66 Features: Front and rear integrated warning lights 5-speed dimming 800mAl battery 200 lumens includes: 1 * Helmet warning light 1 * GRPRO bracket 1 * Helmet holder 1 * Fixing screw 1 * Charging cable "