The American Actuator Corporation is a United States-based company that specializes in HVAC damper actuators. This particular product is a corded electric actuator designed for use in heating, ventilation, and air conditioning systems. With a power source of 115Vac and 60 cycles, this 15-watt actuator operates efficiently and reliably to control the movement of dampers in HVAC systems. The brand's reputation for quality and durability is reflected in this product, making it a dependable choice for businesses and industrial applications requiring precise control of air flow. I have no idea what this is or what it does or how it's supposed to work I have not plugged it in it appears to be in good condition and should be working I look these up online and things like this go for anywhere from $700 to $3,000 so I'm selling mine at a fair price I believe if anybody has an idea of what this is please let me know I'd appreciate it sold as is no returns it is very heavy that's why the shipping is so high