RioRand 4 Mode 1200 Lm Cree Xml T6 Bulb LED Bicycle Bike Headlight Lamp Flashlight Light Headlamp Powered by RioRand advanced technology RioRand 4 mode 1200 Lumen CREE XML T6 bulb LED bicycle bike headlight lamp flashlight light headlamp Made of CREE XM-L T6 LED, ultra bright 4 switch modes: strong brightness, normal brightness, weak brightness and strobe( press button for 3 second) Rechargeable 4400mA battery offers powerful power supply, aluminum alloy casing, waterproof design, long service life