Smart street lights refer to street lights that realize remote centralized control and management of lighting by applying advanced, efficient and reliable power line carrier communication technology, wireless GPRS/CDMA communication technology, and other technologies. Smart street lights are equipped with functions such as automatic brightness adjustment based on traffic flow, remote lighting control, proactive fault alarm, anti-theft protection for lamps and cables, and remote meter reading. They can greatly save power resources, improve the management level of public lighting, and reduce maintenance costs.