This is the new DCT500 pro series with printer interface. Suitable for: 10a, 12a, 13b, 20b, 26b Mazda Rotary engines. Not suitable for piston engines.3mtr lead and testing sensor - spark plug adapter. 1 x roll printer paper. Requires one 9v battery (not supplied). See video link below for demonstration of device. Or on smartphones you may have to copy and paste this youtube link. The item "Rotary engine compression tester + printer, rx3, rx4, rx5, rx7, 13b, 12a, rx8" is in sale since Friday, August 31, 2018. This item is in the category "Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors". The seller is "rctausadmin" and is located in Belmont, NSW. This item can be shipped to Australia, all countries in Europe, United States, Canada, New Zealand.