Refurbished Unit. ECG with Respiration from ECG leads Non-Invasive Pressure - Dual Line (Dinamap compatible). SAO2 with Nellcor technology. 1 Temperature channel - uses YSI 400 probes Built-in Thermal array printer. Monochrome (white) display. Includes ECG cable, SAO2 probe and extension cable, Adult cuff and line. 120V only. Optional battery for portable use and uninterrupted operation ($35 each, takes 1 to 3) Excellent condition.