The Invacare Instant Ear Thermometer has a one-second readout with clinical accuracy. One-touch operation with large, easyto- read digital display in F and C. Nite-Glo display allows you to take readings while your child is sleeping. Tone signal indicates peak temperature and fever alarm sounds for temperatures above 100.4 F (38.0 C). Memory recall of up to 10 measurements. No probe cover required. Compact design fits in the palm of your hand and features automatic shut off. Includes one lithium battery, zippered storage case and English/Spanish/French detailed guidebook. 5-year warranty.