specification: GSM :850/ 900/ 1800/ 1900MHz LCD:1.7″black & white screen GPS:MTK3326 GPS channel:20 Tracking sensitivity:-159dBm Acquisition sensitivity:-144dBm Location time cost: Hot start: <2sec (Open Sky) Warm start: <15sec Cold start: <38sec (Open Sky) Battery:3.7vDC/1400mAh Torch:1 built-in LED Standby time:7 days Dimensions:115.0(L) x51.0 (W) x16.5 (H) mm Weight:74g Feature: 1. GSM Quad-band position senior mobile 2. 1.7 black & white screen 3. 3 groups of special numbers,6 groups of shortcut numbers for emergency call 4. SOS emergency call 5. Sliding key lock for flexibe operations 6. Auto voice tell time 7. Hand torch 8. FM radio 9. GPS location function 10. Bid font 11. Number keys sound 12. 7 days long standby 13. Louder volume 14. Getting location information via SMS or platform Usb cableaccesorries: Battery User manual Charger Mirophone