The Honeywell Home C-Wire Adapter for Wi-Fi Thermostats THP9045A1098 is a white, corded electric adapter designed to provide power to Wi-Fi thermostats in homes that do not have a C-wire. Compatible with most types of heating systems, including furnaces, heat pumps, ductless mini split systems, and through-the-wall/window air conditioners, this adapter features a square thermostat shape and adhesive mounting for easy installation. With low voltage compatibility and a 3-inch display size, this adapter allows for convenient control through a hand control and supports Wi-Fi connectivity for remote management.

Open box. See pics.