| 摘要 |
<p>The box has an acoustic/optical alarm triggering apparatus, and an independent power supply, where the box is designed as spherical steel casings with detection devices. A satellite-controlled radio direction finding device is provided with transmitter antennas (14) to alarm nearby police or accident control center via a stored international emergency number. Flashing lights (15) with integrated sirens are provided inside of the box.</p> |
