Size Length: 7.47 cm Width Top: 5.33 cm Bottom: 4.32 cm Thickness: 1.63 cm Weight: 42 grams Power Source: One CR 2032 Lithium (coin cell) battery Battery Life: Approximately 1,000 tests Memory: Up to 450 events including control results, personal blood glucose and blood ??-Ketone results, and other monitor information.