... Green, Yellow backlight for slight fever and Red backlight for high fever.Note: the alarm point ... is settable, The Red backlight is object to the alarm point, onece ... is no yellow backlight ,only Green and RED backlight.Large memories: can store 50 memories for ... (batterynot included)Package Content:1 x Non-contact Infrared body Thermometer with Three-color Backlight1 x Portable ...