GUARDIAN is equipped with a Droplet Precaution Device , which is designed to meet the needs of new coronary pneumonia and general infectious diseases, and to create a safe and independent space for users. In order to make users feel more comfortable, this nursing chair also has a stretching function. The back of the chair and the footrest can be stretched backwards and forwards respectively, so that the user can lie on the chair at an ideal angle. In addition, the armrest on the left side of the chair has a detachable structure, allowing users to get in and out of the chair more conveniently and easily. The hand control has memory buttons for CPR position and return position.