<b>Product Name:RL-HM011F Inductive tachometer with hour meter battery replaceable for all gasoline engine ATV UTV dirtbike motobike motocycle outboards snowmobile pitbike PWC marine boat waterproof</b><br><br> The LCD hour meter will track engine hours and RPMs for 2 /4 stroke gasoline powered engines. The operation of the Hour meter is connected by5 ft. insulated wire. You will wrap the wire around the spark plug for around 5 times. The meter is activated by the spark of the engine.<br><br> <b>Product Feature:</b><br> Has the same features as hour meter plus tachometer feature.<br> Display RPM while engine is running and Hours while engine is off. <br> replaceable CR2450 battery,data stored automatically after replacing the battery,waterproof Rate IP65<br> Read up to 30,000 rpm and 99,999.9 hours. <br> Tachometer from 1-30,000 RPMs with max RPMs viewable. Resolutions is 10 RPM. <br> Resettable total hours from 1-99,999.9 hours with resolution is 0.1 hours. <br> Customizable warnings and maintenance reminders from 1-200 hours with flash alert service alarms. <br> Screen Saver for lower power cusumption. <br> Warrant 1 Year. <br><br> <b>Applicative Engine Type: 1 Cylinder 2 Stroke/ 1 Cylinder 4 Stroke/ 2 Cylinder 2 Stroke/ 2 Cylinder 4 Stroke/ 4 Cylinder 4 Stroke/ </b><br><br> <b>Product Specifications:</b><br> Color: Black <br> Resolution: 0.1HRS / 10RPMs <br> Reading: 99,999.9Hrs / 30,600 RPMs <br> Operating temperature: Standard -30°C ~ 85°C <br> Battery life: 2-3 Years <br> Cable length: Approx. 170cm / 67in <br> Internal Battery: 1 * CR2450 550mAh <br> Product size: 7.3 * 4.7 * 2cm / 2.9 * 1.9 * 0.8in <br> Product weight: 50g / 1.8oz <br> Package size: 7 * 7.2 * 4.6cm / 2.8 * 2.8 * 1.8in <br> Package weight: 80g / 2.3oz <br>