Especificaciones: - Working Frequency: 433MHz - Waterproof: IP55 - Pager Size: 60*H22mm - Pager Net Weight: 45g - Origen: CN (origen) - nursing home calling system: Receiver and SOS One Button - Número de modelo: TD009-TH003 - Nombre de la: retekess - Modulation Mode: ASK(AM) - emergency pager: for elderly patient - Doorbell Size: 72*72*18mm - Doorbell Net Weight: 69g