Take on your next adventure with LED Concepts Rechargeable Super Bright Bike Light and Headset Combo! The super bright bike light illuminates with LED technology. It features a one-touch, three light mode design. Light can lasts up to 20 hours on low light mode, five hours on medium mode and two hours on high mode. The light is sourced from the external, rechargeable and waterproof battery which can be charged using the ac adapter. This bike light set is perfect for biking, hiking, running, camping or any outdoor activity that requires extra lighting. Travel with assurance that no matter where you go our light and headset combo will make your travels safer. Combination includes the main headlight with a shortened cable, waterproof battery and battery pack charger, battery holder with thick strap, two stretch headband accessories and three different sizes of headlight fasteners to fit small and large handlebars.