Micro Helmet Drive Pro 800XL Bright, lightweight helmet-mounted bicycle light with up to 800 lumens of output. Its constructed from CNC-machined aluminium with built-in cooling fins providing optimal heat management and durability. With a GoPro-style mounting interface, and a versatile Velcro mounting strap with a Composite Matrix base, the Helmet Micro Drive Pro 800XL is a low-profile LED that follows the users line-of-sight for excellent visibility and plenty of output for an enjoyable night ride. The light is Micro-USB rechargeable, providing up to 87 hours of runtime. Advanced programming offers eight output modes, including a highly disruptive Daytime Flash mode, which are further enhanced by our custom MOR (Maximum Optical Reflection) lens along with side visibility.