Small size, Portable and lightweight, the 300C11, with its low power consumption, uses two AAA batteries that will last for 30 hours. Equipped with a low voltage warning indicator that will let you know when the battery is low. One Button Operation, Auto-shutoff after 8 Seconds , conserving battery life.

Package Includes: 
Pulse Oximeter
Operation Instructions
AAA Alkaline Batteries (2)
Lanyard
Carry Case

Technical Specifications:

Display mode: LED
Measuring range for SpO2: 35-99%
Measuring range for PR: 30-235 BPM
PR display mode: Bargraph
Battery Standard: Two AAA 1.5V Alkaline Battery
Power Consumption: Less than 40mA
Resolution: ± 1% for SpO2 and ± 1 BPM for Pulse Rate


Measurement Accuracy:
SpO2: 80%-99%, ±2%; 70%-80%, ±3%; <70%, no definition
PR: 30-235 BPM, ±2% or 2 BPM