Fingertip Pulse Oximeter Finger Tip Pulse Oximeter widely used by medical professionals including the NHS. It offers 30 hours of continuous use, a one colour LED display showing SpO2, pulse rate & pulse bar with auto power down & low battery indicator. It is supplied complete with 2 x AAA batteries, carry case, protective rubber boot and a lanyard 2 year guarantee Compact & durable Suitable for adult & paediatric use (2 years+) 30 hours continuous use One colour LED display Displays SpO2, pulse rate & pulse bar Auto power down & low battery indicator Supplied with batteries (2 x AAA), carry case, protective rubber boot & lanyard Pulse rate measurement range: 30-99bpm: ±2bpm accuracy / 100-235bpm: ±2% accuracy SpO2 measurement range: 70%-99%: ±3% accuracy