High-precision Waterproof Digital Thermometer (White) by Completestore Big screen, easy to read Waterproof design Fast response Buzzes at the end of measuring High precision, accurate to 0.01 Automatically powers off Low battery indication Memory function, can store the last temperature Also can be used for predicting womens ovulatory cycle Package Details Weight: 29.96 g Size: 16.5*4.5*1.5 cm Package Includes * Digital Thermometer * English User Manual