Versatile digital pulse oximeter for accurate assessment of blood oxygen saturation and pulse rate. Pulse quality indicator offers simple assessment of signal quality and eliminates the need for plethysmographic waveform to confirm placement. Simple-to-use 2-button operation and intuitive user interface. Up to 80 hours of battery life (AA Alkaline batteries x 4) or 40 hours on optional NiMH rechargeable battery back. 72 hours memory as standard.Large, red LED display can be read in all conditions. Compatible with the nVision Data Analysis and Stowood software. Includes; Nonin PalmSAT 2500, Adult Soft SpO2 Sensor and Carry Case