WindFire&reg; CREE XML T6 LED 1200 Lumen LM Waterproof Bike Light Bicycle Light HeadLight headLamp with 6400mAh battery Pack and charger Super Bright CREE XML T6 waterproof LED Bicycle light+Head Light 3 switch Mode: Strong Brightness / Medium Brightness / Strobe Waterproofing design makes it possible for you to ride on rainy days. Aluminum alloy casing, waterproof design, long service life Rechargeable 6400mA battery pack offers powerful power supply