Ys121s: Blood pressure Ecg Temperature Spo2 Ophthalmoscope Ent inspector Spen Keybord and mouse Build in printer Vital signs diagnosis data monitor system 12.1 lcd handwritten screen 6 modules Vital signs inspector, endoscopic inspector, eyesight inspector, color blindness inspector, medical record management, system management Shows Hr, rr, ecg waveform, rr waveform, pr, spo2, pulse strength, nibp, tempreture, glu, ua, cholesterol Infrared automatic inductive switch system Halogen bulbs, not easy to break but easy to change Pc tonngue depressor with special design Exclusive adopt front led cold source, different from The traditional rear cold source. 12.1 lcd handwritten screen Keyboard input, mouse operation, usb backup Creat download or delete medical record directly.