It is a premier automotive diagnostic tool. Features a huge LCD display with bar graph for easy viewing. It can be interfaced to your PC or notebook computer for enhanced diagnostics and data presentation. The software and interface cable are included free. Includes two test lead sets, rpm pick-up, temp probe, software CD, interface cable, protective holster, 9 v battery, instructions manual and hard storage case. Inductive RPM pick-up features a five position, adjustable sensitivity switch.