Digital Watchdog announces the launch of our new E.S.T. System. DW’S E.S.T System provides a quick, contactless solution for initial screening of people on the go. Every industry and institution may benefit from implementing a skin temperature screening system. the DW E.S.T. is an NDAA/TSA and FDA compliant security-grade thermal camera that provides a low-impact, contactless alternative to traditional screening methods.