The Pediatric Pulse Oximeter is a great choice for those looking to spot check oxygen saturation and pulse rate measurements. The child-friendly design decreases child anxiety during measurements, helping to ensure accurate readings. Child-friendly design|Finger size range: 0.3" - 1.0"|Four-way OLED with six display modes|Adjustable brightness levels from 1-10|Prescription required|Portable, non-invasive spot check of oxygen saturation and pulse rate|Uses two AAA batteries|Lanyard, silicone case. and hang bag included|Low battery indicator