VRcast Digital Pulse oxi meter is a high accuracy professional pulse oxi meter for personal use. It accurately determines your SPO2 and Pulse Rate in less than 8 seconds. It features a dual color bright LCD Display which shows you the exact data with utmost clear visibility. This oxi meter also features sleep monitoring function which continuously monitor the data when you are sleeping. It can monitor the data for almost 2 hours during your sleep.
Just put your finger under the machine, press the operation Key, and wait. After a few seconds, you will know the SpO2 level and pulse rate accurately.