1ATM (approximately 100000Pa) ~ 0.1Pa, 750000 ~ 0.75 Micron, 0.1Pa ~ 1000Pa; Reading ±5% (at 20℃), 0.1Pa (<10Pa); 1Pa (<100Pa); 10Pa (<1000Pa), Pa, mBar, mmHg, mTorr, InHg, Microns 40 hours (4×AA battery)  
, 0.5MPa/72PSI
, -5~50℃ (-23~122℉)
, 90db, shut down after 10 seconds