Clodesun, is a Intelligent solar led street light  manufacturer, uses RS433Mhz Wireless communication transponder equipment and fly standard light system.

Product Item: CD-DP-series

The sub solar street lighting system uses the fly standard integrated street lamp, adding a RS433Mhz Wireless communication transponder(the distance between sub street light and main street light is less than 5 kilometers). A main street lamp can match 200 street lamps. Except the audio and monitoring functions, the sub street light are the same as the main street light.(Adding a RS433Mhz Wireless communication transponder, so it is 75 dollars more expensive.)