Keep a precise watch on patient vital signs with this advanced Professional Handheld Pulse Oximeter with Alarm System. Designed for clinical versatility and precision, this medical-grade monitor delivers highly accurate measurements of critical blood oxygen levels, pulse rates, and the vital Perfusion Index (PI) parameter. The device features a large, easy-to-operate 3.5-inch color TFT display that shows real-time graphics and numerical readings clearly from any angle. To ensure comprehensive patient safety, it supports robust audio and visual alarms. Healthcare providers can customize care by setting individual upper and lower limit alarm values for immediate alerts if parameters drift outside safe ranges. Powered by a reliable, high-capacity lithium-ion battery, this portable monitor is built to last through demanding shifts. For further customization, it supports an optional charging dock for quick, seamless power management and an optional protective silicone sleeve to shield the device from daily impacts and wear.