Two-color OLED Display Fingertip Pulse Oximeter Oxygen Saturation Meter Blood Monitor Finger Oximeter.
Features:
- The Medical DR50 answers the physician, medical, home health care, sports and aviation markets' demand for a lightweight, inexpensive monitor for measuring SPO2 oxygen saturation (%SpO2) and heart rate (pulse). 
- Ideal for doctors, home health care, clinics, firefighters, paramedics and police officers.
- Adopting clip structure design, the operation of the pulse oximeter is simple and convenient. 
- Portable and easy to operate: The pulse oximeter is small in volume, light in weight, and convenient in carrying. 
- Long working time: Power consumption of the pulse oximeter is low and the two AAA batteries(included) can be operated continuously for 20 hours. 
- Intelligent: The pulse oximeter will automatically be powered off when no signal is in the product within 5 seconds. 
- Scope of application: The pulse oximeter with a big OLED screen can accurate show you the SpO₂, pulse rate, pulse wave data clearly, good tester for your health.
Specification:
1. Type: pulse oximeter 
2. Material: plastic + electric component 
3. Color: blue+white
4. Optical sensor: 660nm 6.65mw red light, 880nm 6.75mw infrared 
5. Battery: 2x AAA DC3V ( included)
6. SpO₂ measuring range: 0-100%
7. Pulse rate measuring range: 30bpm-250bpm
8. Pulse wave display: columniation display and the waveform display 
9. Size: 57*32*33mm
10.Weight: 50g
Package Includes:
1 x pulse oximeter 
1 x user manual