The DSJ-FNK1A1 (referred to as K1) is a 5G smart law enforcement recorder developed by Hongnanke. The F1 features full 4G/5G network compatibility in China, while also supporting WIFI, Bluetooth, and GPS functions. When paired with the KVS-9000 visualized integrated management platform, it enables functions such as remote live streaming, group intercom, real time positioning, and wireless image transmission. The F1 adopts the Android operating system and is equipped with a high-performance 8-core processor, a 2.4-inch touchscreen, and dual front and rear cameras. Its compact design makes it easy to wear. It offers advantages such as smooth operation, safety and stability, and fast handling.