Portable Digital Force & Travel IndicationPeak Hold Feature Saves Maximum ReadingExcellent for Valve, Clutch, Shock & PressureRelief Springs up to 2" (50mm) in DiameterReadout in 0.2lb (kg) IncrementsBacklit for Night UseStandard 9-Volt Battery OperationAccuracy: ±0.25% of readingCapacity: 1,000lb (500kg)Travel: 4" (100mm)