... Quality First, Credit Based" Feature: Built in thermal printer is optional.AC 100V-250VStandard configuration: ECG, NIBP, SPO2, TEMP, RESP, PULSE ... Yes,audible and visual alarm,alarm events review High resolution 12.1"color TFT display Lightweight, ... LynnSkype: risingmed022Tel:86-15810968320 Superior quality Multi-Parameter Patient Monitor/Portable patient monitor/Patient Monitor system---Cathy Lynn