Product attribute Monitoring parameters: SpO2 Oxygenated hemoglobin saturation (SpO2) Patient type: Suitable for all. Except infants and newborns SpO2 measurement range: 0-100% Power: 2 AAA (not included) Accuracy:2 Display mode: LED Packing: host * 1 manual * 1 sling * 1The product is simple and convenient to use. The product is small in size, light in weight and easy to carry. Low product power consumption When there is no signal, the product will automatically shut down after 8 seconds.Note 1. Please remember that due to the lighting effects, the monitors brightness / contrast settings / etcs, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.About product services If you have problems, contact us and we will solve the problem to your satisfaction.