[aisle] Scanner for self-checkout

[Colleen Sanchez]

We've had this for a few years now with no problems. It is kept on a stand
that we already owned. Simply scan the barcodes in the manual for the light
to stay on.

https://www.amazon.com/WoneNice-Barcode-Scanner-Handheld-Reader/dp/B00LE5VV1C
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