Mini glucometer dwd-2302 is simple-to-use and easy-to-learn. It is designed for people who wants to monitor their blood glucose monitor simply and accurately. Simple testing Very small sample size of 1.5¦Ìl Automatically draws blood into test strips. No button testing. Accurate results Confirmation window to verify enough blood sample is applied. Accurate result in 15 seconds. Store up to 100 test results. Specifications Assay electrochemical biosensor Test whole blood glucose Blood sample size less then1.5 ul (0.0015c.C.) Accuracy 97.5% in zone a of ega(vs. Ysi) Precision c. V. Less than 5% Measuring rang 30~600 mg/dl(1.66~33.33mmole/l) Measuring time less than 15 seconds Memory stores last 100 test results Battery type cr2032 3v-lithium battery Battery life approximately 1000 tests Operation temperature 10¡æ~40¡æ (50 ~104 ) Humidity 20-80% rh Dimensions 93x 38x 18mm Weight 30g included battery Automatic shut-off test chart insert/exceed automatic shut-off