1、PVDF Piezoelectric Film: This sleep monitoring sensor uses PVDF piezoelectric film, which has very high DC impedance, good piezoelectric effect, and super wide working band. 2、Curlable: This sleep monitoring sensor has a curlable design, which is ideal for applications such as vital sign signal monitoring on the surface of human skin. 3、Multifunctional: This sleep monitoring sensor is multifunctional and can be used to detect your body in bed, no delayed departure from bed, sleep quality, etc. 4、High Sensitivity: This sleep monitoring sensor is sensitive enough to detect the signs of people body during sleep through the jacket. 5、Wide Application: This sleep monitoring sensor pad has a wide range of applications, it can be used at home, traveling, business trips and so on. 1 x Sleep Monitoring Sensor Pad Item Type: Sleep Monitoring Sensor PadModel: SPF50825 Size: Approx. 825 x 50mm / 32.48 x 1.97inWorking Pressure: Vibration ForceOutput Type: Analog Signal