Check the listing for details. LOT OF 6 *NEW* BOXED PROGRAMMABLE THERMOSTATS (That's only $5.00 each!). Color: Beige, Condition: New. Listed at 30.00 USD. These *are* brand *new* in the factory carton ! They are *not* opened, missing parts store returns ! You are buying a carton of 6 individually packaged CTC100 Programmable Thermostats. Good for wholesaling. Check our other listings for even greater savings on larger quantities. Programmable Thermostats can usually pay for themselves in the 1st year and continue to provide annual savings thereafter.Can be used in most all 2-5 Wire 24 Volt Single Stage forced air natural gas or electric Heat only or Heat / AC systems with relay currents up to 1.5 amps which covers about 97% of those types of systems(except certain heat pump, hydronic or milivolt type systems). Simple installation. Wiring Instructions included Requires 1 standard AA type battery ( not included ) and will typically last for several years before needing simple replacement. Provides separate on/off schedule for the weekdays and weekends. 5-2 day programmable 1 heat / 1 cool. Up to 4 programs per day. Separate Operation Instructions included. Also works great as a standard digital thermostat if you don't want to program it.Note: Temperature is set and displayed in Fahrenheit Degrees.