It has an adjustable temperature control dial.
Interior features include one or more adjustable interior shelves (for upright models) so you can configure space.
It also has a “power on” light (on some models), and possibly a temperature alarm in some versions.
The model uses manual defrost it has a defrost timer, defrost thermostat, and defrost heater components.
The door has a gasket/seal to keep cold air in. Replacement gaskets are available.