This Contec Blood glucose meter uses SXT blood glucose test strips that uses capillary whole blood sample. Blood size required is about 3ul. The test range value is 2.2mmol/L~27.8mmol/L (40mg/dl~500mg/dl). The device test time is at 25s. It automatically selects the test curve by correcting the code. It runs on two "AAA", 1.5V Alkali battery which lasts for about 1000 tests. The device memory capacity is 220, and automatically calculates the average value of 7-day, 14-day and 28-day. Test temperature is 10?~35? while test humidity is at ?80%. Unit dimension is 85(L) x 67(W) x 25(L)mm and weighs about 100g.