The Onyx II can be carried on a lanyard, in a carrying case or in your pocket. It weighs less than 2 oz.

It has a Large Bright LED Display showing the SpO2 and Pulse Rate which can be read from any angle, day or night

The Pulse Quality Indicator is an easy-to-see LED & provides a quick and accurate assessment of patient readings

Accommodates a wide range of finger thicknesses, 0.3 - 1.0 inch (8 mm to 26 mm)thus covering paediatric to adult

It is Energy Efficient & has a new turn-off mechanism allowing two AAA batteries to provide approximately 2500 spot-checks or 21 hours of continuous operation

It also incorporates an automatic on/off function

It is Durable & Reliable & thus rugged enough to be used in the most demanding situations

The Onyx II has the US Army and US Air Force aeromedical certification for use in helicopters