Handheld Touch Screen Veterinary Monitor Multi-parameter Cat Dog Animal Vet Pulse Oximeter Vital Signs Monitor - AliExpress
Oxy9Wave Vet - Veterinary Pulse Oximeter - Bionet America
CONTEC CMS60D-VET Veterinary Pulse Oximeter Handheld Machine for Cat and Dog with Pulse Rate Tongue/Ear SPO2 Probe - Walmart.com
Amazon.com: PRCMISEMED Plus oximeter Handheld Pulse Oximeter with Veterinary Sensor (Standard) (30-Day Guarantee), Just for Veterinary use (White) : Health & Household