The Accu-Chek Compact Plus Meter System is a blood glucose analyzer designed for use by individuals with diabetes. Test strips for this blood glucose meter come pre-loaded with 17 strips in a cartridge (drum). Other features include a big glow-in the-dark screen; a detachable lancing device with 11 customizable depth settings for different skin types; 5-second results; and non-slip rubber grips. POWER: Uses triple-A batteries. DIMENSIONS (HxDxW): 4 x 1.2 x 2 inches. WEIGHT: 4.2 ounces with battery, lancing device, and test strip drum.