Color TFT  monitor, (Pixels: 160*128, 256K color)
4 different display modes
4 level brightness.
Visual alarm and Audio
Pulse histogram and SpO2 wave display
USB interface ensures convey of SpO2 data
Easy to use & high accuracy
Small in size, and easy to carry
Low voltage alarm display
Auto power-off after 4 seconds without signal
Light weight of 45g, batteries included
3.7V Rechargeable Lithium Polymer Battery(through USB)