Honeywell RTH8580WF 7 Day Wi-Fi Programmable Touchscreen Thermostat, White Wi-Fi enabled thermostat allows for remote access via smartphone, tablet or computerFree app for Apple and Android devicesLarge, easy-to-read display Universal Compatibility - Works with virtually any system type7-Day programming allows separate programming for each day with 4 program periods per dayPre-programmed energy-saving schedule Smart Response Technology - Continually learns to pre-heat/cool your home so you are comfortable at your pre-programmed timesAuto change from heating to coolingPermanent and temporary holdReal Time Clock - Keeps the time during a power failure Automatically downloads software updatesSecure network Type C-wire required (this thermostat is not compatible with electric baseboard heat -120/240V)