The Côr® 5 Thermostat is a user-friendly, programmable device that’s offered at our most attractive price point. This wall-mounted, low-voltage unit is 7-day, 5/2-day and 1-day programmable. There’s no need for batteries to store settings. During power loss, its internal memory saves settings for an unlimited time and the clock continues to run for at least 24 hours. Programmable scheduling allows you to easily change settings for times when you’re home, sleeping or away. You can set your schedule for four periods per day or two periods per day.