A critical safety feature, the pressure gauge lets the user monitor the remaining air supply in real time. Many SCBAs are equipped with audible and visual alarms that signal when the air supply is getting low, providing ample warning to exit the hazardous area safely. https://docs.google.com/presentation/d/12CbbH06WNRRZPMsyQr1P7iuoURUXjRH_/edit?usp=sharing&ouid=100040293553010627363&rtpof=true&sd=true