Digital Tach/Hour Meter - Self Powered

This self-powered digital tach/maintenance hour meter is perfect for motorcycles, ATVs, marine vehicles, generators, chainsaws, gasoline compressors, or any gasoline engine! It's resettable for current JOB time, and the refresh rate is RPM real-time data update speed adjusted, displayed on the LCD screen, programmable RPM refresh rate: 0.5s or 1.0s