Nest Learning Smart Thermostat 3rd Generation Works Alexa A thinner, sleeker design. A bigger, sharper display. The 3rd generation Nest Learning Thermostat is more beautiful than ever. With Farsight, it lights up when it sees you coming and shows you the time or temperature from across the room. And the Nest Thermostat is proven to save energy. That’s the most beautiful part. Your thermostat controls half your energy bill – more than appliances, more than electronics. So shouldn’t it help you save energy? Independent studies have proven that the Nest Learning Thermostat saved an average of 10-12% on heating bills and 15% on cooling bills. That means that in two years, it can pay for itself. Important Please Read Learns your schedule Control from your phone Helps save energyWi-Fi connection with Internet access High resolution color screen: 24-bit color LCD 480 x 480 resolution at 229 pixel per inch (PPI) 2.08" (5.3cm) diameter Heating: 1- 2 and 3 stages (W1- W2- W3) Cooling: 1 and 2 stages (Y1- Y2) Heat pump: with auxiliary and emergency heat (O/B- AUX- E) Humidifier or dehumidifier (HUM- DEHUM) Fan (G) Power (C- RH- RC) Please see manufacturer website for further compatibility details. We accept all forms of PayPal payment. Shipping United States: We ship from California using USPS or UPS. We ship within 1 business day from receipt of payment. We do not change your shipping address by email. Please make sure your address is correct before checking out and making payment. We do ship to APO, FPO, Post Office box addresses. We do ship to Alaska, Hawaii, and any other US State. Shipment over $250 will need a signature confirmation upon delivery. Shipping International: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Normally international shipments are delivered in 5-10 business days but it can take longer depends to your country's custom handing time. Please note All international buyers will pay for return shipping label. no Exception. Exchanges will gladly be honored if item is DOA (dead on arrival or not as described), buyer is responsible to send the item back before exchange will be made. Item must be returned unused and in its original condition. Item will be inspected for completeness and condition upon receipt back before a replacement can be issued. We do not advertise our items with factory warranty because: We sell to almost anyone, anywhere in the world; most of the brands do not honor warranty if the item was not purchase from their store in that country. Most of our items are unbranded items and that means they don't have any service carrier logo on them and therefore they are considered as International version which the factory doesn't honor warranty. Some items are very old models and they are discontinued models, we buy them as liquidation lot and they don't come with factory warranty. If the item is advertised as new please do not assume it comes with factory warranty, if it comes with factory warranty we will state it clearly with the phone. Please feel free to contact us, we are here for you! We are open Monday through Friday 9:30 am - 5:00 pm Pacific Standard Time. We answer all emails within 48hrs. If you email questions after business hours or on holidays, we will usually answer them the next business day. We are closed on the weekends and all major holidays. 100% satisfaction guaranteed! We at qualitycellz stand behind our product and our customers. If for any reason you are not completely satisfied please communicate that to us, we will make it right.