With Clip Motorcycle Tachometer IP65 Waterproof 0-20000 RPM Speed Gause Engine Working Time Meter 3 Choice Tach Hour Meter

Product Prameter RPM Range: 0-20000 Timing Accuracy: 0.1H Timing Range: 0-9999 H Housing Material: ABS Refresh Rate: 0.5s RPM Accuracy: ±10 About Item The difference between the three purchase options is, first, whether it has alligator clips, and second, whether the battery is replaceable. The built-in battery cannot be replaced, and the replaceable battery does not include a battery. You need to install a CR2450 button battery. Package list Tachometer x 1 Manual×1