• Built-in Ublox GPS and GSM/GPRS technology
• Built-in 3D G-sensor for shake,montion alarm and save power
• With rechargeable and replaceable battery (2 batteries)
• Two-way voice communications
• Software upgrade over the air (through website)
• Free real time online tracking through our website
• Built-in 8MB flash memory, it can save 60,000 way points
• GPRS blind area data re-upload function
• Designed for monitoring and protecting people and property
• Can be used while traveling and mobile nursing staff to children and the elderly
• Size: 53 x 52 x 19mm
• Warranty: 24 months