This timing machine will automatically calculate in real time for the following: -beat rate -Amplitude -beat error -beat number Power supply voltage is 100V-240V. Automatic selection are available for the most common beat: 12000, 14400, 18000, 19800, 21600, 25200, 28800, 36000, 43200 Manual selection are available for the following beat: 3600, 6000, 7200, 7380, 7440, 7800, 9000, 9100, 10800, 11880, 12000, 12342, 12480, 12600, 13320, 13440, 13500, 14000, 14040, 14160, 14200, 14280, 14400, 14520, 14580, 14760, 14850, 15000, 15360, 15600, 16200, 16320, 16800, 17196, 17258, 17280, 17786, 17897, 18000, 18049, 18514, 19332, 19440, 19800, 20160, 20222, 20944, 21000, 21031, 21306, 21600, 25200, 28800, 32400, 36000, 43200 CE Certificate English language version one year warranty Multi-purpose timegrapher, popular with the professional watchmakers as well as the hobbyists.