The compact size and accuracy makes the Protech-Pulse an ideal solution for spot checking oxygen saturation and pulse rates in long-term care, hospital and clinical settings. Ultra clear LED screen. Multiple display parameters (SpO2, PR, bar graph). 6-Segment Bar graph indicating relative perfusion at the measurement site. Accurate, affordable and dependable. Over 30 hours of battery life. Auto-Power off. Low battery indicator. FDA registered. 1-year Limited Warranty