Dynamometer Gauge, Maximum Force Measured 100 g-force, Minimum Force Measured 20 g-force, Force Accuracy +/-2 g, Measuring Units g, Display Type Analog, Analog Display Graduation 1, Includes 1 in W x 7 3/4 in L Reflective Tape, 6 in Speed Wheel, Carrying Case, Extension Shaft, Funnel Tip, NIST Traceable Certificate of Calibration, Digital Display Screen Type LED, Number of Records Stored 0, Manufacturer Warranty Length 90 day, Gauge Adapters Included Cone, Number of Digits 5, Battery Size AA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -