The Disposable EEG Sensor is an EEG sensor designed for single use. It is used to detect and record electrical activity in the brain, which helps monitor brain function, diagnose neurological disorders and conduct research. The product is designed for medical institution departments to monitor the depth of anesthesia and other EEG biosignals of patients, and is used in conjunction with EEG monitoring equipment such as anesthesia depth monitoring to ensure that the proper depth of anesthesia is achieved during surgery.