Unidirectional Solar Road Stud for areas with little daylight with an extra large solar module and flexibly controllable via LoraWAN technology for marking of danger spots, traffic islands, roundabouts, lane separations, bicycle lanes, traffic guidance systems, adaptation lighting, entrance lighting, pedestrian crossings. Adjustable operating off-time for installation near sensitive nature conservation areas, e.g. from 11 p.m. to 5 a.m., programmable before delivery. After installation via LoraWAN control box possible. Can be combined with motion detectors, e.g. for cyclists in defined areas. Aluminum fitting with glued polycarbonate optics for LED with 15° viewing angle. Low light emission. Built-in light sensor for automatic switch-on at darkness. Operating modes: continuous light or flashing. Height above road surface: 4 mm ( ¼") Load capacity: 160 tons - stainless steel version or 120 tons - aluminium version Battery version: Built-in battery requires two sunny days to fully charge initially and then at least 1 hours of direct daylight per day and two sunny days every 12 months Available LED Colors: Daylight white, warm white, red, orange, green, blue (configuration with two different LED-colors possible for each direction)