Powerful, wide-beam front light for the helmet with an external portable battery. Side opening provides additional safety to be seen by other road users from the side. Suitable for handlebar diameters of 35mm and 31.8mm with an anti-vibration mount as well as easy attachment for helmet mount and a magnetic remote control button for the helmet. 6 different modes of light intensity and battery status display. Robust, shockproof, and waterproof.