From inside (document excerpt):
Honeywell PRO TH4110B Programmable Thermostat. Free operating manual and user’s guide in PDF.
Features
• Separately programmable weekday/weekend schedules
• One-touch temp control overrides program schedule at any time
• EnergyStar® compliant to greatly reduce your heating/cooling expenses
• Large, clear display is easy to read
• Displays both room temperature and temperature setting
• Built-in compressor protection
Table of contents
About your new thermostat
Thermostat features 2
Programming at a glance 3
Quick reference to controls 4
Quick reference to display 5
Programming & Operation
Set time and day 6
System switch (Heat/Cool) 7
Fan switch (Auto/On) 8
Using program schedules 9
Program schedule overrides 12
Compressor protection 14
Appendices
Battery replacement 15
In case of difficulty 16
Customer assistance 18
Accessories 18
Limited warranty 19
Source: honeywell.com