Revain should update the picture in this listing , to reflect the appearance of real product. 1235D21 is the model number for the "upgraded" thermometer of this design, 1235D22 is the "cheaper" one and they look the same. I bought this for my lab to replace the one I accidentally broke with the sample box. Oh. The one I crashed worked pretty well. I just got this one but I assume it will work the same way. I didn't give it a 5 because I feel like it's overpriced, but it's accurate and fairly robust. However, the 30-kilo box that is dropped on him is too much for him. The image I've attached shows what it would likely look like. Hope this helps someone.
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