Avatek Bicycle Light / Lamp - Solar Tracker GPS Device  (Black)

Functions: Supports both SMS and GPRS Tracking by calling the device Tracking by sending SMS (preset the interval and times) Voice Surveillance Geo-fence alarm Movement alarm Overspeed alarm SOS alarm Low battery alarm Support Google map positioning on smart phone Report the battery strength,number of satellite,altitude etc. Indicate the charging status Stop sending coordinates if the target stops moving The minimum postioning interval is 5s instead of 30s Shake alarm Cell ID positioning APP name: mygnss Specifications GPS Accuracy - Less Than 5M Battery - 830mAh Battery Class A Rechargeable Polymer Batter Color - Black Network - Support 2G/GSM Network Waterproof - Splash Waterproof Low Battery Alarm - Support Real-Time Tracking - Support Size - 110*35*22mm Sos Alarm - Support Geo-Fence - Support Movement Alarm - Support Overspeed Alarm - Support Charging Voltage - DC 5V/500mA (Micro USB port) Internal Battery - 830 mAh battery (3.7V) Class A Rechargeable Polymer Battery GPS accuracy - Less than 5m Operating temperature : -20° to 55° C Humidity : 5% to 95% Non-condensing GSM module - GSM 900/1800/1900Mhz GPS Chipset - latest GPS (AGPS) GPS Sensitivity : -158Db GPS Frequency : L1, 1575.42 MHz C/A Code - 1.023 MHz chip rate Channels - 20 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. Acceleration Limit - Less than 4g Jerk Limit - 20 m/sec Work time - 60 hours in sleep mode and 10 hours in normal mode LED - 3 LED indicators showing power, GPS, GSM status and other operation status. app:mygnss