This pulse oximeter is made specifically for kids. Although smaller in size, it uses the same technology embedded in the choicemmed line of Pulse Oximeters to ensure unparalleled accuracy. The adorable green frog design make it visually pleasing and more easily accepted by children. This pulse oximeter can measure oxygen saturation through a child's finger even while the child is moving. Suitable for children age 2 and up. The pulse oximeter can be used by a variety of sports enthusiasts, including mountain climbers, hikers, skiers, bikers, and others interested in measuring oxygen saturation and pulse rate.