Digital Thermometer, 10 Second 6 times faster than traditional digital thermometers. Fast 10-second readout! Professional accuracy. Fast 10-second read-out. Beeps at peak temperature. Memory recall. Waterproof. Fast - approximate 10-second rectal, 15-second oral and 20-second underarm measuring time (Test results range from 9.75 seconds to 28.0 seconds. Average measurement times: 10.2 seconds rectal, 15.2 seconds oral, 20.8 seconds under the arm. Results may vary based on individual and method used.) Accuracy to 2/10ths of a degree degrees F. Waterproof - completely submersible for easy cleaning. Tone signal indicates peak performance. Memory recall of last reading. Large, easy-to-read digital display. Includes 5 probe covers. Convenient storage case. Automatic shut off. No danger of mercury spillage or poisoning. Long life battery. Meets ASTM E1112 and European Norm EN 12470-3 standards. Oral, rectal or underarm use. Made in China.