When you require precise measuring, you a physical science caliper. And this caliper an important tool into the twenty-first century with an extra-large LCD whole number readout for precise home and extramural measurements true to 0.01 inch. standard : Weight : 53gBattery : AG13 1.5 V cell batterySize : 9.6 x 3.2 x 0.5 inchesAccuracy : ± 0.2 mmResolution : 0.1 mm/0 .01 inchWith unneeded lifesize LCD displayZero Setting In Any Position : With a runty locking thumb screw which locks the jaws in placePackage Including : 1 × physical science Digital Caliper1xExtra Battery1 × Instruction ManualWarrantyBseen is committed to 100 % Satisfaction and 60 Days Guarantee for our customers. So any problem, feel unfixed to contact with us ! . Our cozy - 24 hours email customer service response.