The SOS button is lightweight and portable, with a lanyard design that can be hung around the neck or put in the pocket and waist; it is Waterproof, can be used in the bathroom (Do not wear it in the shower or soak in the water). The wireless caregiver pager includes 1 receiver and 1 SOS call button, which is suitable for paralyzed patients / disabled / elderly monitoring /accidental fall patients / hospital bed care / pregnant women, etc.