Come and see our amazing products. Accurately determine your blood oxygen saturation numbers, pulse rate and strength in 10 seconds. Readings display conveniently on a large digital LED display.A portable, feature rich pulse oximeter that provides spot readings of SpO2 and heart rate for the busy healthcare professional. Reads SpO2 and Pulse Rate. Accuracy: SpO2 +/-2-3% / HR +/-5 BPM. Fits fingers with a thickness of .31" to .79" (8mm to 20mm). Dual color OLED display. 2 x AAA batteries needed (not included). 6 colors for option. The Fingertip Pulse Oximeter features in small volume, low power consumption, convenient operation and being portable. Instruction of use included. Measures 2.2" x 1.12" x 1.36". Pls confirm further with us if any query about packing info, inventory status and time schedule.