INCLUDES: 8000Q2 REUSABLE EAR CLIP SPO2 SENSOR , AA ALKALINE BATTERIES, AND 2500/2500A OPERATOR’S MANUAL ON CD ROM, SOLD AS EACH NONIN 10001309Includes: 8000Q2 Reusable Ear Clip Spo2 Sensor , Aa Alkaline Batteries, And 2500 2500A OperatorS Manual On Cd Rom, Sold As Each Nonin 10001309 Nonin Palmsat 2500A Series Handheld Pulse Oximeter With Alarms Nonin Palmsat 2500A Series Handheld Pulse Oximeter With Alarms Includes: (1) 8000Q2 Reusable Ear Clip Spo2 Sensor (1 Meter), (4) Aa Alkaline Batteries, And (1) 2500 2500A OperatorS Manual On Cd Rom (Continental Us Only Including Alaska & Hawaii)