LST105 is a compact designed streetlight controller device that operates lights as per commands sent by the IOT Hub node. It is an off the shelf, end device that can be mounted on street light poles to control the switching of lights as desired. LST105 streetlight controller device is designed to deliver high performance control, it is reliable, cost-effective and long-lasting device made as per best industry standards. Upto 100 LST105 nodes can be connected to a hub node to follow its commands and operate a network of street lights as well as transmit streetlight data over large distances using LoRA network. Streetlight controller devices are used in a network of streetlights to ensure street light energy saving and improved streetlight efficiency.