Refrigerator timer, freezer companion, timing - delay protector, energy - saving switch, electronic refrigerator temperature controller socket.

This is a kind of switch that can control the power-off duration and power-on duration of refrigerators and freezers. You can set both the power-on time and the power-off time, thus achieving the goal of saving electricity. You can set the power-on time to be between 5 and 60 minutes, and also set the power-off time to be between 5 and 60 minutes.