NON-VOLATILE MEMORY ---- 6-digit 7-segment LCD display, no battery, data retained for 25+ years. APPLICATION ---- Works on AC 86-230V battery powered equipment. EASY TO READ ---- Maximum value: 999999H, 0.1H accuracy with working indicator, automatic recycling to zero. INSTALLATION----Snap-on installation, saving time and effort, no tools required. OTHER---- CE certification , we additionally provide a two-year warranty. Product:JR-HM005 Snap-on design: fits standard panel cutout size Fastening: product; 2 insert springs; 2 insertion sheaths; mounting bracket; user manual A function: The total running time of the display engine will be displayed and remain visible. The timing mode is counting increments, the initial value is 0, and the value maximum is 999999H. TOT can be reset. If it exceeds the maximum value, it will be automatically erased. A 6-digit, 7-segment LCD display. Accumulated hours are stored on a powerless, non-volatile data backup using CMOS EEPROM technology. When little space and reliable instruments are needed with memory that is not dependent on a battery. The unit is ideal for maintenance applications. Specification: Operating Voltage: AC86-230V, 50/60HZ Memory capacity: CMOS EEPROM Storage and Operation: -40 to 85 Humidity: 95% RH + 32 C for 2 hours Protected against: alternator load dump, inductive switching Polarity: Positive/Negative/C Enclosure Style: Front Panel Mount. Other styles are available. Works on: Suitable for outdoor electrical equipment, vehicles, boats, generators, agricultural equipment, construction machinery, etc. generator motorcycle Dirtbike ATV UTVParamotor Harley twin sports bike golf Outboard car Jetski Pontoon boat Mercury Raceboat Hovercraft etc