Measures temperature in 60 seconds and beeps when complete. Meets ASTM 1112 standard for accuracy (+/- 0.2 degrees). Takes temperatures fro 90 degrees to 109 degrees F. Dual scale allows Celsius reading also. Large, easy-to-read LCD display. Memory recalls last reading. Water resistant. Auto power off conserves battery. Includes 1.5V button battery, 5 disposable Sheaths and integral carrying case. 2-year warranty.