Features & Benefits : Simply take just one strip : The spill-resistant SmartPack vial lets you take one and spill none. Test anywhere along the end : Place your drop of blood anywhere along the end of the test strip instead of on a tiny spot. Reliable results : The Accu-Chek Guide platform is Accu-Chek's most accurate ever. Product Specifications : Compatibility : Accu-Chek Guide test strips are compatible with Accu-Chek Guide, Guide Me, and Guide Link meters only (sold separately); Not compatible with other glucometer devices . Accuracy : 10/10 accuracy : 95% of measured glucose results shall fall within ±10 mg/dL of lab reference value for blood glucose concentrations <100 mg/dL and within 10% for blood glucose concentrations =100 mg/dL. Storage requirements : Store at temperatures between 39°F and 86°F .