Rectal Thermometers by ADC, The Adtemp II features a compact design with a clear plastic case and five disposable sheaths to keep instrument sanitary. An auto off function helps to conserve battery life and the replaceable 1.55v (LR41) battery will provide 1,500 measurements."

• Dual Scale- Each
• Measurement time: 60 seconds
• Memory: Last temperature recall
• Special feature: Reading in fahrenheit or centigrade
• Compact size - weighs just 11 grams 
• Range 90F-109.9F .2F or 32.2C - 43.2C .1C depending upon scale selection