Docooler Tach Tachometer Hour Meter Gauge

Features:
Wide operating temperature range, suitable for all gasoline engines.
Show engine rpm and record hours of operation.
Large LCD display for easy reading.
Inductive design: You just need to tie the cable to the spark plugs.
System data reset function.
Programmable maintenance interval setting.
Powered by built-in batteries (service life: 2~3 years).
Simple to install.