Blood Sample:capillary whole blood, it can also be used in a clinical setting to measure glucose in arterial, venous, and capillary samples in both adults and neonates. Assay Method:Electrochemical biosensor Sample Size:1 uL Operating Temp. Range:10℃ - 40℃(50℉~104℉) Operating Relative Humidity: 20% - 80% RH Acceptable Hematocrit Range:25~65% Measuring Range:20 - 600 mg/dL or 1.1 - 33.3 mmol/L Measuring Time: 8 seconds Memory Capacity:180 test results with time and date Meter Parameters: time, data and unit setting Result setting:AC, PC, and qC setting Classified storage:before meal, after meal Average Display:1, 7, 14, 21, 28-days average Power Supply:One 3-volt Lithium Battery Battery Life:Approximately 1000 tests