The Acculink Platinum 850 Smart Thermostat is a programmable thermostat with a 7-day schedule, designed for compatibility with American Standard brand heating systems. With smart home compatibility with Nexia, Google Home/Assistant, and Amazon Alexa, this square-shaped thermostat offers convenient control through touch interface. It features a wall-mounted design, operates on low voltage power source, and utilizes sensor technology for humidity control. The thermostat has two heat stages and two cool stages, making it ideal for managing your home's heating and cooling systems effectively.