Wireless Emergency Call System There are two types of systems: Wired and Wireless. The System in the Ad is Wireless. The remote control works with a battery and a call light adapter. If more than one system will be installed in the same environment, the call light is fed by a single junction box. There are two different color modes on the door display: red and green. It is also produced in a single red color mode. When the emergency rope is pulled or the call button is pressed, a red warning starts. In addition to the visual warning, there is also an audible warning. When the officer comes and presses the reset button, the light turns off completely and the system stops. In the system with single red color mode, when the reset is pressed, the light and sound are cut off. The wireless system communicates via RF 433 Mhz. It is produced in accordance with auditing standards. Our products are our own production and are guaranteed against manufacturing defects for 2 years. ​