The wireless caregiver pager has 1 call button + 1 receiver and is designed to provide assistance to caregivers and patients/elderly/pregnant women/children when they call for help at home. There is no need to shout to get attention. The call button of the transmitter is waterproof and is suitable for meal/soup splashes. and allows installation in the laundry room. The transmitter/call button is easy to carry. It can be carried in a pocket. It can also be hung around the neck with a pendant (included). It can also be fixed to the bedside/laundry room. Velcro fastening included. The receiver pager has a variety of unique ring tones for you to choose from. 5 levels of adjustable volume from 0db to 110db. operating range of 500ft+ in open areas. Easy to use (plug and play) Plug the receiver into an electrical outlet.