The BCI 3403 FingerPrint Sleep Hand-Held Pulse Oximeter with built-in Summary Printer was specifically designed for sleep screening studies in the sleep lab, clinical environment, or home. The BCI 3403 FingerPrint Sleep Hand-Held Pulse Oximeter with built-in Summary Printer was specifically designed for sleep screening studies in the sleep lab, clinical environment, or home. The BCI 3403 FingerPrint has easy-to-use, 2-key operation, it also provides fast, reliable spot-checking measurements of spO2, pulse rate and pulse strength for use in clinical or hospital environments.