The product is a used Tekmar 265 boiler control with a data brochure included. It is designed for HVAC and refrigeration systems, specifically in the parts and accessories category. The Tekmar brand is known for producing reliable and high-quality controls and circuit boards for industrial applications. This specific model, the Tekmar 265, is known to be in working condition and is shipped from the USA, ensuring compatibility and availability for customers in need of a dependable boiler control system for their business or industrial use.