Handheld Digital Manometer, Maximum Pressure 40 in wc, Minimum Pressure 0 in wc, Pressure Accuracy +/- 0.5 Percent, Process Connection Size 1/8 in, 3/16 in, Process Connection Type Hose Barb, Includes Batteries Batteries Included, Digital Display Features 4 Digit LED, NIST Traceable Certificate No, Series 475, Pressure Units in wc, Auto Power Off Yes, Batteries Required Yes, Battery Type 9V. This item has been restricted from sale in the following state (s): []