The D2HW-A211DL is an Omron digital temperature switch, used to control temperature in devices. It has an SPDT switch, a standard temperature range of -20 to 80°C, and an accuracy of +/-1°C. The switch is also IP67 rated and has a UL, CSA, and CE certification. It features two analog set-points, two no-voltage/voltage transfer contacts, a manual reset facility, and a cycle function. It has a snap-on installation, and it can connect to a compatible transducer for use in controlling a variety of applications.