The Alarm.com ADC-T2000 Smart Thermostat is a programmable thermostat manufactured in the year 2000 by Alarm.com. This device allows for convenient and efficient control of heating and cooling in a home. With smart capabilities, users can remotely adjust the temperature settings and create personalized schedules for energy savings. The Alarm.com brand is known for its quality and reliability in the home automation and security industry, making this smart thermostat a trusted choice for homeowners looking to enhance their comfort and energy efficiency.