[ Wireless Guard ] 2 Receiver 1 Call Button. Allow caregivers and residents to be free while ensuring that help is still available at the touch of a button, ideal for elderly, seniors, patients, disabled [ Easy to Carry ] The receiver can be moved with the caregiver and the open area working range is 500+ ft, you can take it to the bedroom, kitchen or yard. The call button can also be hung around the neck of the person with a neck strap who needs helplike a pendant or secured with a bracket or double sticker [ Smart Ringtones ] The receiver of caregiver pager has 38 ringing tones to choose from and 4 level adjustable volume from 0db to 110db. Easy use by plug the receiver into an electrical outlet [ High Quality ] Both call button and receiver are waterproof and dustproof. Whether you install it in the washroom or take it outside on a rainy day, you don't have to worry about this caregiver pager getting wet