TANSOREN 4000 Lumens Eagle Eye Ultra Bright Waterproof Bike Headlight with CREE XM-L2 LED Light Ultra Brightest: Includes 2*CREE XM-L2 LEDs bulbs,designed for a longer lifespan. As a small business we are able to deliver superior quality products & customer support than our competitors. You're in safe hands. High-quality Products:Each of our premium bike headlights are hand built with military grade, water resistant plastic - making them extra durable wherever you may be. The bike headlight is built for both the indoors & outdoors. Super Long Battery Life:Built with 2*CREE XM-L2 LEDs, our bike headlights is built for maximum brightness whilst maintaining a super long battery life. The bike headlights is compatible with rechargeable batteries. Designed For Convenience: The extremely lightweight build allows you to take your lantern on the go with ease.This is a perfect light for outdoor sports enthusiasts with its excellent performence in waterproof. What You Get:TANSOREN LED Bike Headlights,4*18650 Rechargeable Batteries+Charger,our fan-favorite 18-month warranty and friendly customer service.