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The image below shows the SN400 installed inside a refrigerator using integrated
magnets (attached to steel shelf frame). The external sensor ports are protected by the
refrigerator shelf from liquid spills. Ideally, the external ports should point downward to
prevent ingress of spills and liquids.
The image below shows the SN400 installed on the outside of a refrigerator using
integrated magnets. An external wired sensor is used to sense refrigerator temperature.