TYPE：HMS1655 - LITE Features： 3.2” True color LED touch screen, friendly UI with intuitive menus; Safe HaloTM Light cycle, visual and audible alarms； More information at-a-glance； Passwords protection with four access level； Non-volatile memory； Receiving pressure signals； Real time display of room pressure，time and date，etc； Network supported； Bacnet/Modbus available； Analog output for remoting mornitoring； Control accuracy ±5%.