wireless caregiver Pager Alert System includes 2 SOS call button and 1 plug-in doorbell receiver. With up to 600ft cordless operating range in the open area, you will receive a call alert for the elderly/patient/disabled within 1S in case of emergency and never miss a rescue. mini and portable SOS button is very lightweight, no burden to wear around your neck, suitable as an emergency call bell alert for the elderly/patients And Allow to be Installed in the Washing Room.It can Be Put in Pocket.Or Hang on neck as Pendant. Allow to be Installed in the Washing Room. The Fixed Bracket and Double sticker are included This wireless portable nursing pager system is suitable for children, the elderly, pregnant women, paralyzed patients, and the disabled.