Its blood glucose measurement technology has been proven to be accurateSD Codefree Blood Glucose Test Strips are disposable strips designed for use exclusively with the SD Codefree glucometer. They deliver accurate readings in just ~5 seconds using a tiny 0.9 µL sample and plasma‑calibrated glucose oxidase biosensor with a pure‑gold electrode. The strips require no coding, making testing simple and error‑resistant, and measure glucose between 10–600 mg/dL (0.6–33.3 mmol/L)