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Tri-color backlight (color alarm): When the body temperature is normal, the backlight is green, blue is slightly hot, and red is high fever. It is normal to obtain a slight variation in temperature readings when taking temperatures from different parts of the body.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.