Santamedical SM-165 Fingertip Pulse Oximeter

Im a caregiver for the elderly and this Product is great for achieving quick accurate results. I use it everyday and it is so small it fits right in my pocket.
Product Description

The newly upgraded SantaMedical SM-165 Finger Pulse Oximeter is an affordable and accurate way to check pulse rates and blood oxygen saturation levels. Self-adjusting finger clamp plus simple one-button design allows for easy operation. Small portable.