The Visilite has been developed as a method of increasing worker visibility without dazzling colleagues. Retrofits to all JSP EVO safety helmets. 3 mode LED light system: Static/Flashing/Slow Flash. Optically tested up to a distance of 50m. Independently tested for luminous intensity, visibility in darkness & flash rate. Easily rechargeable with a USB charging supply; PC, Mains or Car. Fast Charge: Approx 2.5 hours. Standard Charge: Approx 4 hours.