Multi Function Pulse Oximeter From Meditech FOs4plus

Meditech finger pulse oximter FOs4+ is a Full Color high-clearance TFT monitor with 4 level brightness and 4 display modes , Alarm sets for low detecting voltage, and abnormal SPO2 and PR., Auto power off after 4 seconds without signal. Inner flash memory sets for more than 30 hours data storage. Advanced software for sleep study and monitoring.

http://www.meditech.com.cn/Finger-Pulse-Oximeter/TFT--Fingertip-Oximeter/pulse-oximeter-FOs4-plus/detail