Ecobee Wi-Fi Thermostat, Smart Si Model, 24 VAC, 7 day Program Programmability, Auto/Manual Changeover, 2 Heat/2 Cool Conventional Systems, 3 Heat/2 Cool Heat Pump -Stage, Full Color Non Touchscreen Display, Temperature Settings: 45 - 79 deg F Heating, 45 - 92 deg F Cooling, 32 - 130 deg F Operating, 5 - 95% RH Non-Condensing Humidity, +/-1 deg F Accuracy, Horizontal Mounting, White, 5-1/2 in W x 3-1/4 in H x 1 in D

• Ecobee's Smart Si Wi-Fi thermostat saves an average of 23% on your heating and cooling bills, without compromising comfort
• 750 mV compatible, backlit
• Change/check reminders
• Daylight savings time ready
• Displays outdoor temperature
• Humidification, programmable fan
• 40 - 100 deg F display
• 20 - 90% RH display, +/- 5% RH sensitivity humidity
• 18 AWG at 128 ft, 20 AWG at 80 ft and 22 AWG at 50 ft wire

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Ecobee_EB_SMARTSI_01_Manual.pdf