BCI® 3301 Hand-Held Pulse Oximeter Durable and lightweight design Ergonomically designed to fit your hand comfortably Bright, easy-to-read LED numerals Quantitative pulse strength bar on the screen Fast, reliable SpO2 and pulse rate measurements Stores data for up to 99 different patients Simple on/off control with auto shutoff to conserve battery life Powered by 3 easily replaceable C-cell batteries Monitors patients ranging from neonate to adult Product ID OXI-3301