Product Description: 6-digit hour meter is perfect for any application that requires recording time Accumulated time hours and counts are stored on powerless, nonvolatile data backup using CMOS EEPROM technology, where small space and reliable meter is required with memory that does not a battery. It is the perfect rev counter Fitment: for Paramotors, Pumps, Generators, Mowesr, Model Boats, Motor Cycles, Scooters, Cleaners and Chainsaws. Timing System Including: accumulating total running hoursTOT,toal time resettableRESET, etc. Unique Design Including: easy installation, long lifetime,etc. Voltage supply: DC4.5-90V Max Hours:99999.9 Resolution 0.1 hour Reset optional Total time is resettable Colour: black Material: plastic + metal Package Contents: 1 * Digital Hour Meter 1 set * Mounting Accessories Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.