Transmitter Press the push button paging when service is needed. Then the call bell number will be displayed on the receiver with a sound. 1 Button Bell [ST-100] 1 BUTTON BELL Water-resistant product that suitable for the outdoor terrace. Read More [ST-300] 1 BUTTON BELL The newest water-resistant call button with slim and attractive design Read More [ST-900] 1 BUTTON BELL Waterproof call button that is suitable for outdoor environments. Read More 2/3 Button Bell [SB6-2XWH] 2 BUTTON BELL Cradle makes call button easy to move and remove from the patient bed Read More [SB9-3XBK] 3 BUTTON BELL 3functions button (CALL, BILL, CLEAR) with 2versions(USD or Euro) Read More [SB6-6PBK ] 6 BUTTON BELL 6button transmitter which is specifically made to use as server paging transmitter. Read More