1) Product performance:

Diversified functional combinations:

PM4 Version A: SpO2,

PM4 Version B: SpO2 + CO2,

PM4 Version C: SpO2 + blood pressure.

3 different functional combinations can be better adapted to different customer needs;

2. Adopt 4-inch TP fit touch screen, touch more sensitive, full viewing angle display effect is better; 3. Dustproof and waterproof grade: IP22;

4. Dual-contact and Type-C two charging methods can be switched at will, storage and charging two-in-one;

5. Built-in 2000mAh polymer lithium battery, on single blood oxygen state, can detect more than 5h;

6. Battery and power supply line to power, convenient to apply to different environmental conditions;

7. With sound and light alarm, it is convenient for medical staff to observe the patient's status in real time; 8. Touch plus physical button combination (machine side switch button, one key pressure measurement button);

9. Bare metal size: 155.5*73.5*29 easy to hold and transfer;

10. Gravity sensing system, vertical screen and horizontal screen two kinds of display and storage methods, better applied in different fields.