The signal motor and lamps at isolated railway signals far from grid power can be easily, reliably and economically powered because of hardly any maintenance, non-polluting, uses renewable source of energy, easily and automatically operated at no recurring cost. Each system consists of the following: - SPV Module - 35Wp Battery - 12V, 80AH Signaling PCB to energise front back bulb with automatic dusk to dawn switching Charge control unit Wire-set Frame for Module