No coding-freedom from multiple code strips, warning for high ketones with alternative site testing, result average function for 7, 14, 21, 28, 60, 90 days, PC download capability(optional accessory), 450 memory positions with date and time, tiny blood drop required-only 0.7 micro litre, convenient strip ejections, results in just 7 seconds, 4 reminder alarms, conformance to US FDA standards, lifetime warranty. Specifications: measurement range: 20 to 600 mg/dL, measurement units - either mg/dL or mmol/L, meter storage/transportation condition-20 to 60 degree celcius, below 95% R.H, Operating condition: 10 degree celcius to 40 degree celcius, below 85% R.H, Power source: two 1.5 V AAA alkaline batteries, Dimensions: 61.7 mm (L) x 92.7 mm (W) x 23.2 mm(H), Weight: 79.97 g (without batteries).