... li-ion battery ,can work more than 4 hour. Small size patient monitor for ambulance8(16:9)wide screen,TFT display ... ,small volume and light weight.Real-time display ECG, SPO2, Respiration waves, digitally display.HR / Pulse, Double-temperature, ... connect with KN-601 central monitor.Three fixed modes: bottom bracket,backside bracket and hanging handle.Optional features of ETCO2 small size ...