Estafette is a wireless home emergency call system. Thanks to wireless radio technology, Estafette can be quickly installed anywhere. An analogue telephone and power connection are sufficient. Emergency call device for old and sick people. It is super easy to use using a radio transmitter or a large red emergency call button that you can assign any telephone number to. Regardless of whether an emergency call occurs, as soon as the emergency call button on the radio transmitter is pressed, Estafette will automatically call. Up to three destination phone numbers can be entered. Whether it's a neighbor or a cell phone number. well-known manufacturers such as IBM, HP, Compaq, DELL, Fujitsu-Siemens, SGI, SUN, Toshiba, Cisco, MaxData, APC Notebooks, flat screens, monitors, PCs, graphics / CAD.