HOUR METER----When the equipment vibrates, the display shows the total running time of the machine and remains visible.Help you track how many hours you put on your machine. Contains hour counter, resettable work timer, TOT hours are not resettable; 0.1 hour accuracy JOB TIMER----JOB timer (PAR ) used to measure the time of a particular work job, Like change oil, Air filter Replacement etc...; Job timer (PAR) can reset VIBRATION SENSITIVITY ---- Programmable vibration sensitivity (low and high), used to accurately detect the vibration frequency of different machines during operation. The hour meter contains a lock function to prevent the use of time during transportation LOCK FUNCTION ---- The hour meter contains a lock function to avoid the use of time during transportation ; When the timer is locked, it is equivalent to shutdown, no time is saved, the display screen is closed, and the previous data is automatically saved. OTHER ---- Easy to install; Contains detailed instructions for use; User shutdown; Data retained after shutdown; Waterproof rating: IP68; Patent, CE ROHS certification; 2 year warranty Product Self-powered wireless hour meter RL-HM016B, vibration activated, contains hour meter, resettable work timer, latch function, off function and waterproof design Product Features: 1 Hour Meter (TOT) Features----Help you track how many hours you put on your machine. When the equipment vibrates, the screen will show the total time of machine operation, Display automatic sleep to save power, press the watch button; Data is saved when screen is closed Total hours readout displays from 0 to 99,999 hours, 0.1 hour accuracy TOT hours are not resettable . 2 JOB timer (PAR ) Features----Used to measure the time of a particular work job, such as changing the oil By pressing the button , the screen displays the engine JOB running time JOB timer reading displays from 0 to 99999 hours, 0.1 hour accuracy The JOB timer can be reset 3 Programmable Vibration Sensitivity----Used to accurately detect the vibration frequency of different machines during operation. Contains two vibration sensitivity options vibration: LO (low) / HI (high) LO (low) suitable for low vibration equipment, Its vibration frequency is greater than 32Hz HI (high ) suitable for vibration equipment ations, its vibration frequency is over 4Hz Two sensitivities can also be selected for use on the same machine to obtain accurate timing data 4 Other Features Staging al CR2032 battery, battery life up to 5 years