Features: Low-profile attachment for LED bike lights or GoPro action cameras Mount straps to your bike helmet for easy attachment Follows line-of-sight for optimized night riding or recording Built with durable, mold-injected Composite Matrix construction Easy-to-install strap fits virtually all helmet styles Compatible with a large number of Lezyne headlights via the GoPro LED Adapter (not compatible with Lezyne USB-C lights) Weight: 32.8g