This is a All in one Washing and Curing Creality ? UW-02 Machine.

In order to do this, parts must be washed to remove sticky, excess resin from the surface. Failing to properly wash parts will leave the parts sticky and unseemly, so post-processing is vital to successful 3D printing

As the name suggests, the wash and cure station has the ability to wash and cure your prints, with a button that switches it between the two modes, then there is a rotary encoder for setting the timer function

Do you have to cure 3D prints Curing is compulsory for biocompatible 3D materials but it is not compulsory for Standard Resins. However, curing will still improve the stability and strength of your standard resin 3D prints. You have to cure 3D prints for them to be more stable, stronger, and more durable