Feature: 1. MULTI LAYER: This is a high sensitivity polymer piezoelectric film sensor, composed of PET substrate, upper and lower electrodes, piezoelectric film layer, and insulating protective layer. 2. MEASURE PHYSIOLOGICAL AND PHYSICAL SIGNALS: Can be used to measure physiological signals such as heart rate, pulse, and respiration, and to monitor physical phenomena such as vibration and shock. 3. SENSITIVE AND STABLE: This sensor has thin thickness, light weight, high sensitivity, low acoustic impedance, and high stability. 4. FLEXIBLE WITH HIGH BIOCOMPATIBILITY: Flexible piezoelectric film sensor has wide frequency response range, large dynamic range, good flexibility, and high biocompatibility. 5. GOOD CHEMICAL RESISTANCE: Piezoelectric pressure transducer is chemical resistant and environmentally friendly; safe for use. Specification: Item Type: Flexible Piezoelectric Film Sensor Material: High sensitive polymer Uses: Can be used to measure physiological signals such as heart rate, pulse, and respiration, and to monitor physical phenomena such as vibration and shock. Package List: 1 x Flexible Piezoelectric Film Sensor