NexTemp are disposable, single-use thermometers used for quick and hygenic temperature measuring. NexTemp thermometers measure temperature by being placed under tongue or under arm. Highest black dot indicated measures temperature reading. Easy-to-read, safe temperature reading without mercury. Helps prevent cross-infection. Each disposable thermometer is individually wrapped in latex-free packaging. Fahrenheit temperate range of 96. -104.8 degreees. 100 disposable thermometers per box.