gps tracker----tiny size, flash memory feature

gps tracker----tiny size, flash memory feature: Applications: Monitoring of Kids, Elderly people, Disabled people and pet. Protection for the businessmen Management for the staff outside Mobile Asset trackingDescription: Tracking via SMS or GPRS TCP/UDP communication Current location report Tracking by time interval Listen Emergency alert Geo-fencing control Low battery alert Over speed alert SOS buttons for sending message Rechargeable internal battery Rebranding acceptableSpecifications: ItemSpecification Charging Voltage DC 4.2-5.5V/400mA (Mini USB port) Dimension 63 mm × 42 mm × 22 mm GSM moduleGSM 900/1800MhzFlash Memory4MGPS Chipset latest GPS SIRF-Star III chipsetGPS Sensitivity -159DbGPS Frequency L1, 1575.42 MHz C/A Code 1.023 MHz chip rate Channels 20 channel all-in-view tracking Position Accuracy 10 meters, 2D RMS Velocity Accuracy 0.1 m/s Time Accuracy 1 us synchronized to GPS time Default datum WGS-84 Reacquisition 0.1 sec., average Hot start 1 sec., average Warm start 38 sec., average Cold start 42 sec., average Altitude Limit 18,000 meters (60,000 feet) max. Velocity Limit 515 meters/second (1000 knots) max. Jerk Limit20 m/sec Operating temperature -20° to 60° C Humidity 5% to 95% Non-condensing Voltage Rechargeable 820mAh battery (3.7V),Work time 60 hours in sleep mode and 13 hours in normal mode LED 3 LEDs to show POWER,GPS,GSM status Button One SOS button for sending the emergency message.