| 摘要 |
<p>The signalling device 10 includes a retaining means in the form of a bracket 12 configured and dimensioned to receive and retain four light sources. The light sources are removeably mounted on the bracket 12. A controller is provided for controlling operation of the light sources. A connector is provided for connecting the device 10 to a source of power, the connector being arranged in electrical communication with charging means in the form of electrical connectors 18 for the light sources, the electrical connectors 18 being arranged on the bracket 12.</p> |
