The newly upgraded SantaMedical SM-1100B OLED Finger Pulse Oximeter is an accurate way to check pulse rates and blood oxygen saturation levels. The self-adjusting finger clamp and the simple one-button design allow for easy operation. Its small, portable size makes it easy to handle and carry. The SantaMedical finger pulse oximeter is helpful for athletes and pilots to obtain quick and accurate oxygen saturation readings. Its bright OLED display makes it easier to read the results.