Upgrade your home's heating and cooling system with the Lux TX9100U 7-Day Programmable Thermostat. This sleek and modern thermostat is compatible with a variety of brands and models, including F and C, and features a programmable function for up to seven days. With a wall-mounted design, this thermostat has a large 4-inch display screen and is perfect for those looking to increase their home's energy efficiency.

Made of durable plastic material and powered by AA batteries, this thermostat has a range of smart home compatibilities, including eWeLink, Apple HomeKit, and Cortana. The Lux TX9100U also boasts a variety of features, including remote control, digital or touch control, and temperature sensor technology, making it the perfect choice for anyone looking to upgrade their home's heating and cooling system.