| 摘要 |
An emergency exit indicator (100) includes a light source (110), a visual indicator (120) and a power line communication unit (130), wherein the visual indicator is disposed within the illumination scope of the light source, and the power line communication unit is electrically connected to the light source. The emergency exit indicator is capable of altering the displayed escape information. The present invention further provides an emergency exit indicating system using the above-mentioned emergency exit indicator and can more precisely display the escape information. |
