Beurer GL 50 mg/dL Blood Glucose Monitor combines a measuring device, plug-in USB and on-board software, and lancing apparatus into one device. This makes it easy to manage your diabetes at home. Another helpful feature is its ability to average blood glucose readings for 7, 14, 30 or 90 days, helping you to maintain optimal levels and confer with your doctor about your treatment regimen where necessary. Comes with PC interface.