Features Waterproof, rinse with water after the measurement day, regular use of alcohol can also be disinfected; Beep, beep after the end of the measurement automatically prompt (measured mercury do not know how long the subject, this section no such concerns) Precision, accuracy up to - 0.5 , the minimum scale reading up to 0.1 ; Easy reading, measurement accuracy, no harmful mercury, etc., and have Beeper and memory function