Skylink PT-434W Handheld Panic  Button Remote Transmitter for Senior Citizen or Hospital Patient Emergency Security, Safety Accessory for SC Series Systems NO MONTHLY FEES and easy DIY (Do It Yourself) installation IDEAL FOR SENIOR CITIZENS OR HOSPITAL PATIENTS PRECAUTIONARY MEASURE activate the Skylink Alarm or Alert System in case of an emergency or threatening situation WATER RESISTENT LIFETIME SUPPORT - Toll free 1-800-304-1187, support@skylinkhome.com