MD300K2 is a very important and common device to check patient blood oxygen saturation (SpO2) level and pulse rate. As a portable, compact, simple, reliable and durable physiological monitoring device, handheld pulse oximeter MD300K2 greatly enhances patient care. It is widely applied in clinic, hospital, social medical organizations, and first aid etc. Accurate Measurement Professional Guarantee 1. 2.4 TFT screen displays SpO2, PR, waveform and pulse bar; 2. Adjustable audible and visual alarms; 3. battery-low indicator; Innovational Design Exhibit Quality 1. Accurate Measurement Professional Guarantee; 2. Data transfer to PC by USB cable; 3. Up to 127 user ID 72-hour data storage and review; 4. MedView software for data analysis; Ultra-long Standby and Portable 1. Ultra-long Standby and Portable; 2. Suitable for adult and pediatric; 3. Muti-language(Menu) :English, Spanish, French, German, Italian, Japanese;