Product review (2 stars): No batteries, no Fahrenheit display, no manufacturer info, no on/off switch...but it's cheap.
No batteries were shipped with the product, which was advertised as "batteries included" (a significant buying point because the batteries are double the cost of the product itself). It was shipped with no manufacturer information whatsoever. No on/off switch for the display and no Fahrenheit display without taking it apart and soldering. Shipping took about 20 days (it shipped from Thailand) which was disappointing, but the display size is handy, cord length is good, and the price is still decent even with the missing batteries. Overall I wish I had bought something else, but this will do for now.