... Screen Fetal monitor JPD-300P FEATURES:12.1 High-resolution color TFT LCD Display,support plug-in large-screen CRT ... -MarksOptional TwinsRotable Screen,Can be Viewed from different directionBuilt-in rechargable Li-ion Battery,AC-DC Power supply,without ... reset.Support the extension almost for 128 units central monitor system.Linux operation system,stable,easy to operate.112mm,150mm,210mm usual ...