How does the GE dimmer switch work?

Other Devices & Integrations Lighting & Load Control
#1

I’m looking at this switch: https://www.aartech.ca/ge-12724-zwave-dimmer.html
Looks like it’s just a paddle, so how do you control the dimming?

#2

Quick press for on or off, press and hold for dim up and down

#3

Thanks for the info.