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||Clearance Final Blowout!
Small IR obstacle sensor is 1.70" X 0.67". Operates on 5VDC. Detects objects by sending and receiving IR up to 30 to 40 CM away. What you see in the picture is what you get. No schematic or documentation included. You can search the internet for hundreds of how to articles for applications. Sorry, we can't provide any technical help for this item.