Children's Mobile Phone, mobile phone for school GSM900/1800 or GSM850/1900 0.8"LCD The main function is: 1. One-key passed: Kids can only push one key to contact parents or Teacher 2. Intelligent emergency call: Only push one emergency key, the phone will automatically call 4 emergency number or send message. 3. Limit telephone conversation: The phone can only call or answer the parent's permited phone number. 4. Location Track: You can know where is your kids, in School? In Playground? At home? At grandmother's home? 5. Sound Monitor: Parents can hear the voice surround the kids to check what kid is doing or where is them. 6. Guard against thief function: If some one steal the phone, you can contral the phone even he change the SIM card. 7. Attends class is forbid: At class, the phone will turn off automatically. 8. Message is controlled: No rubbish message. 9. Games is controlled: Game can be played only at the suitable time. 10. Low Radiation: It is safe for children.