Wireless pressure alarms have the advantages of simple operation, easy installation, small size and no wiring required. Using specially designed sensors to monitor pressure changes inside storage tanks or in piping systems, it can monitor in real time to detect potential safety hazards in a timely manner. This alarm can be moved at any time and is suitable for mobile tank scenarios. Early warning is provided by triggering a sound, light flash or sending a notification, and the necessary measures are taken early to prevent accidents from occurring.