Green Synchronous Flashing Solar Powered Pavement Markers . Bidirectional Solar Pavement Markers Company--RUICHEN Solar . Solar Pavement Markers energy in aluminum with option of fixed or flashing light in red, yellow, white, green and blue.Rechargeable 1.2V 600 NI-MH with a useful life of 3 years. Solar Pavement Markers¡¯s Dimensions: 104x104x20 mm Temperature operative: ¨C 20¡ã -75¡ã C . Road