Invivo Precess 3160 MRI Monitor S​/​N: US20800431 REF: 865323 Year of Manufacture: 2012 Slave monitor, 3160OCU (2012) Good battery Accessories: IBP trunk cable, NIBP hose + cuff, CO2 module and wireless ECG holter. NOT INCLUDED: charger for ECG holter. Spo2 holter. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.