Blood Sugar Monitor Diabetes Testing Kit Blood Glucose Monitors 50 Test Strips

If 3.9mmol/L ≤X＜7.1mmol/L, the green light will on; if 7.1mmol/L ≤X≤ 13.2mmol/L will show the count; if X＜3.9mmol/L or X＞13.2mmol/L the red light will on.

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