It has a robust casing to withstand tough conditions and its intelligent power management design helps extend tracking duration. When the door is opened, the device sends immediate alerts to the control center. So the owner can take immediate action to prevent possible thefts. With the latest GPS technology, internal high-sensitivity GPS and GSM antennas, and a rugged waterproof locking mechanism, it is a proactive electronic lock that can survive difficult operating environments and help track and protect valuable shipments in transit. CT-X8 can be connected to container doors from the outside with wired cables wrapped around door handles. Compared to other devices, this equipment offers evidence of tampering, showing when and where different events occurred in real time.