$25
Works perfectly! Selling for $25, goes for $43 + tax new. Pick up in mountain view or I can arrange to drop it off around Stanford.
https://www.amazon.com/EatSmart-Products-Precision-Recognition-Technology/dp/B004L6NTHU/ref=sr_1_3_a_it?ie=UTF8&qid=1489331647&sr=8-3&keywords=eatsmart
Please do not message this poster about other commercial services.
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