ECG 7 Step Ruler Plastic Ruler Measuring Tool Portable Pocket ECG EKG Card Ruler ECG Reference Guide for ECG/EKG Interpretation

Ayzeze: This product is a medical device which must be used only as intended and in accordance with the instructions for use. This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.

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Good luck with your favorite purchasesHign-concerned Chemical : None Type : Other,Assessment Tool Origin : Mainland China Origin : Mainland China Material : Plastic