■ Easy-to-use Peak-flow Meter ■ Power Supply: 2 x AAA Alkaline Batteries ■ Lightweight and small in size - only 52g and 142 x 48x 56mm ■ Test method: Pressure Sensor ■ Measurement Range: Volume 0.5L- 8L Flow Rate: 60L/min ~ 840L/min tellPEAK FLOW METER Introducing the world's first cellular-enabled peak flow meter, designed to effortlessly measure both Forced Expiratory Volume in 1 second (FEV1) and Peak Expiratory Flow (PEF). This device marries the precision of medical-grade measurements with the convenience of modern technology, allowing individuals to monitor their lung function with unparalleled ease. Its user-friendly interface and seamless connectivity via cellular networks empower users to effortlessly track their respiratory metrics, enabling early detection of changes and timely interventions.

TECHNICAL SPECIFICATIONS telll health 1) heal h