Quadtro Select Wheelchair Cushion 22 x 18 x4.25 Orthopedic Care Affordable dependable and easy to Ships From:FL, USA Affordable dependable and easy to use the SPECTRO2 10 Pulse Oximeter is a low cost spot check device displaying SpO2 pulse rate signal strength and Pulse amplitude Index (PI) * This device delivers reliable performance meeting the needs of health care providers in primary care environments * Large bright easy to read LED for at a glance assessment * Unique on board cradle to store and protect finger sensor * Pulse amplitude Index (PI) * Low battery indicator * Comfortable ergonomic design allows easy one handed operation * Stores patient data for transfer to PC for improved efficiency and documentation * Three year warranty * Optional accessories available at additional charges 500 test results memory storage * 3 year limited warranty