Yooreal Digital Inductive Tachometer with Hour Meter,RPM Gauge Meter for Lawn Mower Scooter Dirt Bike Tractor Generator Air Compressor Marine Motorcycle Snowblower Pressure Washer

【Maintenance Timer】: TOT can be reset for using on another gasoline engine, hours read up to 99999 H; Perform countdown tracking for the maintenance task(SVC) to remind the schedule arrival, range from 0 to 9999.9 hours/OFF. 【Tachometer】: Monitor the current RPM value by 3 engine firing patterns selection, which help to adjust the idle revolution accurately. RPM measurement range: 0-20000RPM, refresh rate:0.5s. 【Water/Shock Resistance】: Wholeness housing design,100% epoxy sealed with favorable waterproof resistance, also prevent strong shock and vibration during transport. 【Battery Saving】: LCD display can be shut down to save the battery lifetime(Built-in CR2450) with user data retainted.The battery back cover is equipped with an insulating sheet to prevent leakage power during transportation. 【Othes】: Stable mounting by high sticky adhesive tape,easy connection with engine by inductive cable (approx.68.8 inches/1.75m);Black wire can be shortened or extended (total length cannot exceed 5m). 【After-sales service】:Two-year after-sales service, product problems unconditionally free return or exchange.