1. Big button with big font
2. Good loud speaker for phone call & FM radio listenning
3. Flashlight with easy switch
4. Speed dial icon can set four family numbers:
5. SOS button - send emergency phone call to monitor center
6. GPS Tracker function:
track & report device's position and status to control center
continuous tracking,
Geo-fence out.
Geo-fence in,
speed alert.       
SOS buttons can be used to send emergency call.
All configurations can be set through SMS or GPRS.
The wireless communication includes TCP/IP, HTTP and SMS.