Through the animal's tongue, ear, etc., the veterinary pulse oximeter can measure the animal's pulse rate and pulse oxygen saturation. Intelligent parameter monitoring interface with waveform and value displays in real time. A 2 point 4 inch LCD screen with high resolution and brightness adjustment makes the display effect more readable in a variety of lighting conditions. Ideal for use in a veterinary clinic, home, farm, ranch, etc. The new design is more manageable, lighter, and smaller.