Standard Features - Electronic Temperature Control Precision of +/- 1 degree F saves up to 10% on heating bills - Pre-Set 7-Day Program Maintain the pre-set program schedule for up to 15% energy savings, or modify the schedule to fit your lifestyle - On-Demand Backlight Easy to read in various lighting conditions - Heating Indicator At-a-glance confirmation that the heat is on - Peace-of-Mind On/Off switch allows you to turn the thermostat off at the end of the heating season - Early Start Ensures programmed temperature is reached by programmed time - Soundproofed for Quiet Operation - Reduces the clicking noise commonly heard with conventional thermostats - Models: TL8230A1003 (US), TL8130A1005 (CANADA)