The AN-222 single lamp controller adopts LoRa narrowband IoT communication technology and is a high-performance street lamp energy-saving product specially developed for intelligent street lighting. The single lamp controller can monitor and collect load operating parameters such as voltage, current, power, and electrical energy of a single street lamp, and also has functions such as controlling the switch and dimming of the street lamp. The single lamp controller using LoRa technology is wiring free and easy to install, suitable for various street lamp single lamp control functions. The product has electronic protection functions such as overload and short circuit protection. IP67 protection level is suitable for use in various harsh environments. Single lamp controllers are widely used in tunnel lighting, urban road lighting, landscape lighting and other scenarios.