The modular RAILINK system is the first of its kind power and data solution that forms the backbone of a rapidly developing, scalable ecosystem that powers and connects your head borne system. Users can seamlessly integrate compatible accessories without the need for additional batteries and cable management. Designed and tested with extensive US Military user input, RAILINK is the platform of the future adding capability to the head borne system with new accessories. Airsoft Helmet comes with all strobes, Flashlights and battery pack!