Universal DB-Type Interface: Blood Oxygen Saturation (SpO2) sensor with universal DB-type interface (7 pins) for reliable connectivity Veterinary-Grade Design: Animal use SpO2 clips with soft and non-slip silicone cover, suitable for different parts such as earlobe, tongue, tail, paws and more Dual Size Options: 2 sizes replaceable SpO2 clips for different dogs, cats and other animals to ensure proper fit and accurate readings High Compatibility: Highly compatible with PRCMISEMED Handheld Pulse Oximeter for precise SpO2 monitoring Probe Only Accessory: This is a replacement sensor probe designed specifically for veterinary use with handheld pulse oximeters PRCMISEMED Accessory of Plus Oximeter Handheld Pulse Oximeter - Veterinary SPO2 Sensor (Probe Only)