Honeywell Home Rth221B1039 1-Week Programmable Thermostat Product Details Product Description This easy-to-operate 1-Week Programmable Thermostat helps make your home comfortable exactly when you want it. Programmable for one week, it lets you customize your schedule with four options ? ?wake?, ?leave?, ?return?, and ?sleep? ? for precise temperature control and added comfort. Simple step-by-step instructions included with the thermostat make DIY installation easy. From the Manufacturer A Honeywell programmable thermostat can save you significant money off your energy bill. You set it up to adjust the temperature when you are away or asleep---times when you don?t necessarily need to heat or cool your home to optimum comfort---and your heating and cooling equipment runs less. This one-piece thermostat has one easy program for all days of the week (4 periods - wake, leave, return, sleep). Simple and effective use and performance. Plastic Imported ONE WEEK PROGRAMMING: Set one identical program for the entire week with four program periods per day including wake, leave, arrive and sleep. PRECISE TEMPERATURE CONTROL: Precise temperature control of plus/- 1 degree Fahrenheit DIGITAL DISPLAY: Easy-to-read digital display with an intuitive interface for one-touch access to setpoint temperature EASY INSTALLATION: Easy to install yourself and basic operation keeps programming simple REMINDERS: Built-in battery change reminders (2 AAA batteries are required for operation) SET POINT RETENTION: Set point is retained in memory in the event of a power outage DISPLAY OPTIONS: Fahrenheit or Celsius; 12 or 24 hour clock. Note: This thermostat is not backlit. OVERRIDE OPTIONS: Permanent and temporary override capability COMPATIBLE WITH: Heating, cooling and heat pumps without auxiliary heat options Does NOT work with electric baseboard heat (120-240 V), heat pumps with backup, or multi-stage heating/cooling. For indoor use only. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.