Features - 8" color TFT LCD screen, resolution 800*600 - Waterproof design, resistance to dropping (1 meter) - Low power consumption, fanless structure which creates no noise - Support external 13-20V DC power, continuously working for 5.5 hours above on battery backup, full charge with 2.5 hours, suitable for Ambulance, Emergency Transport - Display mode: Big font, trends review, 7 leads ECG waveform on same screen, and etc - 15 kinds of arrhythmia analysis, 15 kinds of drug concentration analysis - Anti-electrosurgical unit (300W), anti-defibrillation (360J), suitable for Operating Room, General Ward - Digital SpO2 technology, excellent anti- interference performance, low perfusion (0.1%)