Google map GPS kids phone

* GPS Position: 1.SMS GPS data latitude and longitude, check the child's position.2.Google map link 3. LBS track * Defend Rail:    automatically  send SMS to guardian's if the unit is out of the safety area. * Safe Firewall:  all strangers' calls & SMS will be rejected * Restricted use in Class:  restriction in class to avoid interruption  * SOS Emergence Calling:  children  press the SOS key to call for help * Restriction for calling time:  time-limit talk for children to save money   * Low radiation:  Low Ultra-radiation  design, no harm to kids * Limit shutdown:  Kids can not switch off the phone without password * GPRS on line Live track.