Features: 1.Suitable for any gasoline engine and generator, such as marine, ATV, motorcycle and so on. 2.Can track the service life of the machine, plan for oil changes, valves, adjustments, clutch maintenance, chassis lubrication and other maintenance schedules. 3.It can record and display 9,999.9 hours, and the standby time is more than 20,000 hours. 4.Flashing on/off to indicate counting time, minimum calibration 0.1 hours, which is very prctical when in use. 5.100% epoxy encapsulated, own the advantages of waterproof, shockproof, high temperature resistance. 6.Large LCD screen can be read at all times whether power is applied or not. 7.Easy Installation, just connect the hour meter and spark plug with the wire, then use the screws or zip tie to fix the hour meter. Specification: Condition: 100% Brand New_x000D_ Item Type: Digital Hour Meter_x000D_ Color: Black_x000D_ Material: Epoxy Resin_x000D_ Meter Size: Approx. 5.4x3.8x1.5cm/2.1x1.5x0.6in_x000D_ Resolution: 0.1HRS_x000D_ Receiving/Display Time: 9999.9 HRS_x000D_ RPM Range: 300-30000 RPM_x000D_ Accuracy: 10 Rpm_x000D_ Working Temperature: Standard -30-85C_x000D_ Waterproof Rating: IP-68_x000D_ Wire Length: Approx. 110cm/43.3in_x000D_ Built-in Button Battery:_x000D_ Battery Model: CR2430_x000D_ Battery Capacity: 300mAh PackageList: 1 x Digital Hour Meter1 x Connecting Cable2 x Screw Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.