6 times faster than traditional thermometers (See back for details. Results may vary). Professional accuracy. Fast 10-second (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) readout! Beeps at peak temperature. Memory recall. Waterproof. Features: 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 F. Waterproof - completely submersible for easy cleaning. Tone signal indicates peak temperature. 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. Lifetime limited warranty (warranty details enclosed). Meets ASTM E1112 and European Norm EN 12470-3 standards. This TopCare product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed. We'd like to hear from you! If you have any questions or comments about our TopCare products, please call: 1-888-423-0139 or E-mail: topcare(at)topco.com. Oral, rectal or underarm use. Made in China.