Menu Driven Programming guides user through programming?? much like using an ATM; Conventional push-button programming</br>4 Programmable periods per day allow settings for wake?? leave?? return and sleep; Preset energy saving schedule for the assurance of energy efficiency</br>Designed to Install in 15 minutes or less; Armchair Programming allows you to remove the thermostats from the wall for programming</br>Maximum comfort - Smart Response technology learns the amount of time a system needs to reach a desired temperature and adjusts accordingly</br>Precise temperature control of +/-1 degrees for consistent comfort; Displays both room temperature and temperature setting</br></br>Product Description</br></br>The product is easy to use. The product is highly durable and handle. The product is manufactured in china.</br><br/>http://www.amazon.com/gp/product/B00421BGHY