The PTS-SL400 light receiver alerts when calls are made by wireless buttons and controllers. It has built in LED lights and 2 flash speed settings: slow and fast. The call may also be accompanied by an audio notification with 4 volume settings: low / mid / high / mute. The light receiver can be placed horizontally or vertically. Suitable for use in hospitals, outside patient rooms, allowing the immediate intervention of the nursing staff. It can also be used to signal an occupied room in which entry is prohibited while the light is on (radiological laboratory, examination rooms, etc.).