The Pulse Oximeter Blood Oxygen Saturation Heart Rate Monitor by Berrcom uses infrared sensor technology to accurately measure blood oxygen saturation and heart rate. The fingertip oximeter design with an LED display and wireless connectivity make it convenient for use at home or on the go. Powered by batteries and backed by a 1-year manufacturer warranty, this device is FDA 510K compliant, ensuring its safety and reliability. The sleek black design adds a stylish touch to this essential health monitoring tool.