The Smart Thermostat is an ultra-slim, user-friendly, ZigBee-enabled thermostat that supports universal HVAC compatibility. It provides precise temperature and humidity control and functions as an in-home display that provides real-time energy use and cost information. The Smart Thermostat also supports a variety of demand response capabilities.


  • Universal thermostat; works with most heating or air-conditioning systems
  • 1.5”x2.5” monochrome TN LCD display with blue backlight
  • Displays temperature in °C and °F
  • Displays real-time electricity use information
  • Simple installation process
  • Over-the-Air (OTA) upgrade feature
  • Intuitive LED indicators for easy troubleshooting
  • Specifications

    Standard Compliance IEEE 802.15.4
    Wire Connections RC, RH, G, D/H, C, Y1, Y2, W/E, W2, W3, L, O/B
    Data Rate Up to 250 kbps
    Security 128-bit AES Encryption
    TX/TX Sensitivity -99dBm Rx typ. (-100 in boost mode) at 1% packet error rate and +3dBm TX output power (+5dBm in boost mode)
    Temperature Range 104ºF to 212ºF (-40ºC to 100ºC)
    Temperature Accuracy +/- 0.5ºC
    Temperature Resolution 0.01ºC
    Humidity Measure Range 10 to 95% Relative Humidity
    Humdiity Measurement Resolution 0.01%
    Humidity Accuracy 5% Relative Humidity
    Power Requirements
    Power Supply 24V AC 50/60Hz
    Power Consumption Max 1.5W
    Dimensions (LxWxD) 4.1x3.7x0.9" (104x94x22)
    Weight 0.25 lbs (0.55 kg)
    Operating Temperature 32ºF to 122ºF (0ºC to 50ºC)
    Operating Humidity 10 to 90% non-condensing
    Storage Temperature -40ºF to 130ºF (-40ºC to 55ºC)
    Storage Humidity 5 to 95% non-condensing
    Regulatory Approvals
    Safety CE, SAA, UL, cUL
    Emissions CE, C-Tick, FCC Part 15 (Class B)
    Other RoHS, WEEE Complaint

    Ordering Information

    Part No. Description
    A2-777270-HR-01 Thermostat