VisionPRO Touchscreen Universal Programmable Thermostats
customer.honeywell.com/en-US/pages/product.aspx?cat=HonECC%20Catalog&pid=TH8110U1003/U
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Premier White Universal Programmable Thermostat with automatic/manual changeover, up to 1 Heat/1 Cool stages and R,RC,C,W,(O/B),Y,G,S1,S2 terminals for heating and cooling systems