GPS Electronic Lock Description

Get and report Real time GPS Positioning function 
Lock hung on the truck, you can check your truck/vehicle driving trajectory.
Real-time tracking, it also sends all the status to server.
All the unlock & lock records are stored in the server.
It supports several unlock methods: SMS, GPRS Remote control handheld reader, encryption key.
Alarm, when a lock is dismantling illegal, it will send alarm SMS to mobile phone. cargo owner
You can set/modify the GPS lock parameters by SMS
you can send SMS to check the lock position information