What model has two sockets behind the Hangjia 5 watt power supply?

models 8pin power supply socket and 4pin power supply socket with two sockets behind hangjia 5 watt power supply. This power supply adopts a double-tube forward design. Now we see two transformers inside the power supply. The big one is the main transformer and the small one is the auxiliary transformer, which is mainly responsible for converting the current into low-voltage DC.