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 layer2. MEASURE PHYSIOLOGICAL AND PHYSICAL SIGNAL: Can be used to measure physiological signals such as heart rate, pulse, respiration, and monitor physical phenomena such as vibration and shock3. SENSITIVE AND STABLE: This sensor come with thin thickness, light weight, high sensitivity, low acoustic impedance, high stability4. FLEXIBLE WITH HIGH BIOCOMPATIBILITY: Flexible piezoelectric film sensor has wide frequency response range, large dynamic range, good flexibility, high biocompatibility5. GOOD CHEMICAL RESISTANCE: Piezoelectric pressure transducer is chemical resistant, environmentally friendly, you can use with confidenceSpecification:Item Type: Flexible Piezoelectric Film SensorMaterial: High sensitive polymerUses: Can be used to measure physiological signals such as heart rate, pulse, respiration, and monitor physical phenomena such as vibration and shock.Package List:1 x Flexible Piezoelectric Film Sensor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.