The MS400 Multiparameter Simulator is a mobile instrument which facilitates inclusive waveform to meet common test and train needs. The device helps in checking the monitor quickly and tests the warranty quality of monitor, remote therapy instruments and ECG devices. It can be utilized for training of nurses in differentiating arrhythmia waveforms. The product contains color TFT touch-screen of 3.5inch having 320*240 pixels with a user-friendly interface. The synchronous output waveforms display provides convenience to the user in comparison of the test equipment. The functions of SD socket interface are integrated which allows the user to execute custom waveform through this instrument. The in-built templates list gives the waveform which is presented with a sequence number helps in comfortable searching. The operation interface supports English and Chinese. The device works perfectly and quickly with touch-screen and keystroke. The rechargeable alkaline battery of 3.7V/4000mAh is supplied with the instrument. The optical external power of AC 220V, 50Hz is also provided.