Wireless Programmable Focuspro Kit with Wireless Adaptor, To Be Used with TruezoneÃ† Panel. Kit Includes Wireless Focuspro Thermostat. Powered By Redlink Reliability. No Interference with Other Wireless Devices. Installs In Minutes. Displays Outdoor Temperature and Humidity (Outdoor Sensor Sold Separately). One-Year Battery Life; Two- Month Low Battery Warning. Hvac Equipment Wired To Module. Everything You Need To Relocate or Upgrade Programmable Thermostat without Running New Wires. Kit Options Include Wireless Outdoor Sensor, Redlink Internet Gateway For Remote Access, or Wireless Adaptors For Working with TruezoneÃ† Panels. Wireless Focuspro Thermostat Has Same Great Features Of Focuspro Thermostat, But Now Wireless. Installs In Minutes. Displays Outdoor Temperature and Humidity. One-Year Battery Life; Two-Month Low Battery Warning. Dual Fuel Enabled. Equipment Interface Module Means That All Hvac Equipment Is Wired To Module. Module Receives Communication From Wireless Devices. Return Air Sensor Works with Equipment Interface Module To Maintain Safe Indoor Temperatures If Power Is Lost At Wireless Thermostat. Maintains 62F For Heating and 82F For Cooling. Redlink Wireless Technology; Redlink Reliability. No Interference with Other Wireless Devices In The Home.