This Jumper Oximeter is a small, lightweight and reliable Oximeter designed to provide users an accurate pulse rate (PR) and Oxygen Saturation (SPO2) reading from your fingertip. The Jumper JPD-500A has a 1.3" LED colour display with visual PR as a waveform, bargraph, 4 directional display options and 8 display modes available. The Jumper Pulse Oximeter is CE approved. The JPD-500A has a low power consumption and shuts off automatically with no signal, visual battery level indication, PR sound function and 30 hours continual usage option. Interference resistance capacity against ambient light and measurement performance at low perfusion.