Fingertip Pulse Oximeter For Children Uses Cartoon Appearance Design Reducing The Fear Of Children * Small Size And Lightweight Design Will Not Cause Too Much Pressure On Children's Fingers * Oled Screen * 4-direction Display * Pule Bar Plethysmogram * Parameters; Spo2 Pr * Low Battery Prompt * Takes 2 Aaa Batteries (included) * 49mm L X 28mm W X 28mm H * Weight 35g (<2 Oz) * Pediatric Pulse Oximeter Can Be Used On The Finger Thickness Between 5mm-19mm