1.Quick Reference Efficiency: Double-Sided Printing Provides Information You Can Use Everyday; ECG / EKG Rhythm Pocket Cards Contain Basic EKG Rhythms must have in the Medical Field 2.Efficient Heart Monitoring: Equipped with vital information used commonly in clinical practice, Double-Sided ECG Rhythm Interpretation Cards offer clinical aid, aiding in learning heart rhythms and serving as a quick reference guide in demanding works. Ideal for improving heart rhythm interpretation skills 3.Long-Lasting Durability: Manufactured with robust and waterproof acrylic material, our ECG/EKG Rhythm Pocket Card boasts an enduring design that is reusable with a comfortable touch. Plus, it's resistant to fading, ensuring long-lasting use 4.Easy Reference: The ECG Badge Card Set's versatile design includes both portrait and landscape orientations for easy reference, making it a quick and easy tool to use for accurate and descriptive EKG rhythm tracking 5.Unique Present: With the ECG/EKG Rhythm Pocket Card, students studying ECG rhythms, healthcare professionals, and ECG technicians can advance their skills promptly. The pocket-sized tool caters to quick referencing, allowing registered nurses to keep up-to-date with the latest practices Our EKG calipers for nurses are the perfect tool for healthcare professionals and nursing students studying heart rhythms. With double-sided printing, both landscape and portrait orientations, and a comfortable touch, our calipers aid in accurate measurements and diagnostics. Specifications: Material: Acrylic Product size: about 8.5x5.3cm/3.35x2.09 inches Color: As shown Package Contents: 2 x Ekg Rhythm Interpretation Badge Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.