C-Wire Required Smart Thermostat, YoLink 1/4 Mile World's Longest Range Thermostat Button Control Remote Control Schedule ECO Controller Works with IFTTT, YoLink Hub Required

C-Wire is required: the YoLink Smart Thermostat only supports a regular 5-wires thermostat, it doesn't support an A/Ch system with a heat pump or two-stage cooling and heating system.

Note: YoLink Thermostat works only with 24VAC systems and works with HVAC equipment in most homes (U.S.

& Canada).

World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile).

Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property.

Hub is required: YoLink Hub is the only central controller for the rest of YoLink devices, it is required to use the YoLink Thermostat.

YoLink Hub is sold separately, please kindly search B07TQLKQLJ for a Hub! Save Money: The YoLink Thermostat can save you money on heating and cooling bills, while adding the convenience of automatic heating and cooling, in addition to remote access and control via the YoLink app.

Remotely access, check, and adjust your home's temperatures at any time from anywhere.

Energy Conservation Operation: Under ECO mode, HVAC will automatically adjust the cool or heat temperature to a more cool or more heat temperature according to the ECO setting