Features: 1.8.4 color TFT display 2.Suitable .... 50mm/ s 4.Accuracy:  ± 1bpm or  ± 1% , whichever is greater 5.Protection: Withstand 4000VAC/ 50Hz voltage in isolation against electrosurgical....
Features: 12.1' inch colored, high definition .... channals Accuracy:  ± 1 bpm or  ± 1% , which is greater S-T segment detection; measurement range: -2.0mv~ 2.0mv Alarm: Yes, audible and....