NEXTEMP® ORAL / AXILLARY, SOLD AS 100/BOX MEDICAL 1112-20Nextemp Oral Axillary, Sold As 100 Box Medical 1112 20 Dots Are A Bright Green Color At Normal Room Temperature As The Thermometer Is Warmed, The Chemical Dots Turn Black In Sequence Until The Highest Temperature Is Reached The Chemical Dots Will Revert Back To Their Original Green State In A Short Period Of Time, So The Unit Can Be Reused, Or Thrown Away According To Directions Thermometer, Single Use (100 Bx) Single Patient Skin Thermometer Nextemp