<b>Backlight Digital Tachometer Hour Meter for 2 or 4 Stroke Gasoline Engine RC Toys, PWC, ATV, Motorcycles, Marine Engines, Chain Saws, Tractors, Lawnmowers and any gasoline powered tools </b><br> </b><br><br> <b>Product Function Description:</b><br> <b> Hours Meter Function: </b><br> Display total running hours when Engine is OFF, Total hours are non-resettable (TOT). <br> Record JOB Hours (JOB). JOB hours are resettable <br> Total Hours display from 0-99,999 hours with 0.1 accuracy. <br> Programmable Maintenance Interval Time reads from 0-200 hours. <br><br> <b> Tachometer Function: </b><br> Read RPM when Engine is ON. <br> RPM Reads up to 20,000 with 10 RPM resolution . <br> Record and Recall MAXIMUM RPM. <br> Programmable RPM Aler with RED Backlit Lighting <br><br> <b>Product Features </b><br> Works on 2 stroke up to 6 Cylinder & 4 stroke up to 16 Cylinder gas engines. <br> IP rate: IP65. <br> Programmable Backlit: ON/OFF/AUTO. <br> Replaceable CR2032 battery. <br> Programmable Maintenance Interval Timer from 0-200 hours. <br> Non-resettable total hours. <br> Turn ON/OFF. <br> Programmable RPM refresh rate 0.5S / 1S. <br> Read RPM while engine is running and Display Total hours when engine is off. <br> 2 Years Warranty. <br><br> <b>Works With:</b><br> <b>2 Stroke 1 Cylinder/ 2 Stroke 2 Cylinder/ 2 Stroke 3 Cylinder/ 2 Stroke 4 Cylinder/ 2 Stroke 6 Cylinder/ </b><br> <b>4 Stroke 1 Cylinder/ 4 Stroke 2 Cylinders/ 4 Stroke 3 Cylinder/ 4 Stroke 4 Cylinder/ 4 Stroke 5 Cylinder/ 4 Stroke 6 Cylinder/ 4 Stroke 8 Cylinder/ 4 Stroke 12 Cylinder Gas Powered Device. </b><br><br>