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This is USB Four channel SPDT relay board with connected TCN75A temperature sensor. 1 x USB Four Channel Relay Board with sensor TCN75A. TCN75A accuracy: +-0.5°C (typical) +-3°C (maximum). Denkovi USB 4 Relay Recorder - The software is available for download from this link -here.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.