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% / HR ±5 BPM. 6 changeable display modes. 10 Display brightness settings. 25% smaller than competing models. Fits fingers with a thickness of .3 to .8 (6.6mm to 19.7mm). Dual color OLED display. Hinged battery cover is more secure. Complete with Carry Lanyard and Black Rubberized Bumper. (Optional orange bumper sold separately). 2 AAA Batteries. Instruction Booklet. 2 year limited warranty. Meets or exceeds ISO 9919.