With a frog face outside and special calibration inside, the Pediatric Fingertip Pulse Oximeter is specifically designed for young patients. Portable, silent operation is intended for spot-checking blood oxygen saturation level (%SpO2) and pulse rate. •OLED multi-color graphic display screen. •Six display and orientation modes with 10 adjustable brightness levels. •8-second inactive shut-off. •Operates for 30 hours of continuous use on two AAA batteries included. Each 1.5 oz. unit includes lanyard, two AAA batteries and silicone protective cover. One year manufacturer's warranty. Pediatric PUlse Oximeter Specifications: •Saturation range (%SpO2): 70-99%. •Accuracy (O2 saturation): +/-3%. •Pulse range: 30-235 beats per min. •Accuracy (pulse rate): +/-2%.