A small pulse oximeter for measuring the pulse oxygen saturation pulse rate and perfusion index through the finger. Suitable for monitoring adult & paediatric patients in clinics hospitals and at home. Features: Splash and drop resistant design OLED display of SpO2 PR PI pulse bar & waveform Spot check and continuous pulse oximeter measurement modes Pulse rate analysis for spot check measurement Up to 12 groups SpO2 data storage Audio & visual alarm with low battery indication Automatic power on/off Multi direction display Artefact removal & anti-motion Accurate & sensitive Pulse Oximeter Specification: Sp02 Transducer: Dual-wavelength LED sensor Measuring range: 35-100% Measuring accuracy: ≤ 2% range from 70-100% Pulse Rate Measuring range: 30-240bpm Measuring accuracy: ±2bpm or ±2% (whichever is the greater) Perfusion Index Display range: 0-20% Default Alarm Limit SpO2 low limit: 90% Pulse rate high limit: 120bpm Pulse rate low limit: 50bpm Measuring Mode 30 seconds spot check mode Continuous mode Dimensions Weight & Power Dimensions: 56x34x30mm (L x W x H) Weight: 52g Power: 2 x AAA alkaline battery