Emerson Sensi Pro Wi-Fi Programmable Thermostat for Smart Home, 4H/2C

Now compatible with smart home platforms Apple HomeKit, Amazon Alexa and Wink. The new Sensi Thermostat and App offers remote system access from smartphone, tablet or PC. Sensi App connects Thermostat to home Wi-Fi router - no additional accessories or gateway required. Sensi Features: Sensi app on one smartphone or tablet can control multiple thermostats PTAC Compatible Multiple smartphones or tablets can control one Sensi thermostat +/- 1F operating accuracy Operates on 2 "AA" alkaline batteries Universal Application Up to 4 Heat / 2 Cool Battery Powered or Hardwired Sensi is easy to install / simple to connect! No "C wire" required for most HVAC applications. Heat Only and Cool Only systems require a "C wire" Keeps your contact information in your customers' smartphone or tablet - so you are just a tap away when service is needed Sensi Thermostat operates like a standard thermostat when not connected to Wi-Fi 5-Year Limited Warranty