The Eagle C75 KIT from UEI is a solution for technicians working to set and maintain optimum efficiencies for boilers or furnaces. This kit includes the feature packed Eagle 1 Combustion Analyzer. Equipped with a new improved user-friendly interface as well as a DMM style rotary selector, a real time clock and a magnet built-in to the boot, the C75 captures and calculates data with professional accuracy and ease. measures flue temperature, oxygen and carbon monoxide. Calcualtes CO, gross/net efficiency, excess air, CO air free. CO readings to 1ppm. Large 2 line display. 20 memory positions. Infrared printer port. Comes with Eagle 1 C75 combustion analyzer, KMIRP2 infrared thermal printer, flue probe, AC adapter, soft carrying case, particle filter, thermal printer roll and guide. 3 year warrany (2 year on sensor).