... magnet. parameter:Range:0~100 hPa.Resolution:0.01 hPa.Precision:0.03 hPa (00.30 hPa); 0.05 hPa (0.311.00 hPa); ±(0.1 hPa+1 ... , mmH2O, mmHg, inH2O, inHg, psi, m/s, fpm.Operating Temperature:0+50°C.Battery type:Alkaline batteries (2AAA).Battery life:500hours ...