Easy health monitoring from home: The PM 180 pulse oximeter from medisana reliably and accurately measures blood oxygen saturation (SpO2) and heart rate (pulse). Both readings can be displayed on the easy-to-read OLED display in four different view perspectives, either as a bar graph or waveform. The device switches off automatically after eight seconds, conserving battery power. This is just one of the advantages of this medical device from Medisana. Simple one-touch operation, ideal for on the go: The PM 180 pulse oximeter is not only a practical everyday companion at home, but also when traveling. Its convenient one-touch operation is ideal for use on the go. Start the measurement with just one press of a button. Adjustable display brightness in ten levels: The PM 180 pulse oximeter displays the readings on a high-quality OLED screen. Technical data: Size approx.: 6.8 x 3.8 x 2.7 cm, Weight: approx. 36 g (including battery), Measurement accuracy: SpO2: 70% 100% 2%, Pulse: 30 250 2 or 2% beats/min., Battery: 1 x 1.5 V (AAA).