Precision Barometer, Pressure Range (in Hg) 28.1 to 31.7 in Hg, Pressure Range (hPa) 945 to 1073 hPa, Pressure Range (mm Hg) 715 to 805 mm Hg, Accuracy +/-0.5 Percent, Response Time 1 to 4 hr, Mounting Location Wall-Mount, Overall Depth 1 1/2 in,...