TYNDALL Fingertip Pulse Oximeter, 4 Data Pulse Oximeter with Respiration counter, Pulse Oximeter with Respiratory, Pulse Oximeter with Alarm, Oximetry with Batteries and Carry Bag and Lanyard(Purple) Kristofer Buckle These Rayovac batteries last longer

These Rayovac batteries last longer than the previous size 10 hearing aid battery formulation

Sun Protection Factor (SPF): N/A

Used for Kids Riding Toy - Lead Acid For Kid Trax Ride on Mini Cooper

model number: REX117

Or use it just as nightlight (keep press the botton in 2 secds to open the colorful nightlight)

TYNDALL Fingertip Pulse Oximeter, 4 Data Pulse Oximeter with Respiration counter, Pulse Oximeter with Respiratory, Pulse Oximeter with Alarm, Oximetry with Batteries and Carry Bag and Lanyard(Purple) Kristofer Buckle These Rayovac batteries last longerBrand: TYNDALL Color: Purple Features: 4 Data Pulse Oximeter FingertipPulse Oximeter can measure 4 data in real time, pulse oximeter with pulse, blood oxygen saturation, respiratory rate monitor and blood perfusion index. The oximeter calculates the results quickly and accurately in real time through a powerful microchip displayed on a large OLED screen. Unique Respiratory Rate Monitoring Devices Pulse oximeter with respiration counter, use with pulse