The Snap-on Diagnostic Thermal Laser, No. EETH311, combines laser-guided temperature readings, thermal imaging capabilities, and storage for hundreds of images, all in one tool. The Diagnostic Thermal Laser brings together temperature readings of up to 1,800 degrees F (1,000 degrees F in thermal mode) and thermal imaging capabilities for a variety of applications. It's a two-in-one system with thermal and laser modes, makes it ideal for jobs such as checking inlet and outlet temperatures of catalytic converters. An ergonomic pistol-grip design allows for easy, precise control.