1. GPS and Location Based Service - Location Based service also named A-GPS, when tracker in underground or tunnel ,can get location by AGPS. 2. Real time tracking - Real time tracking it by platform . Also can support get location every 5 seconds, and the GPS accuracy is 5m. 3. Check the history of route on platform - Can check and within one year history of route of device, by web monitor center 4. Power Saving Mode - The device go into standby mode when there isn't vibration for 3 minutes, it go into working mode when it feel vibration 5. map on mobile - Check the location with map on mobile. Geofence and movement alert - Set up a geo-fence for the unit to restrict its movements within a district ,unit send a message to the authorized numberwhen it breaches the district. Overspeed alert - set up the speed as your requirement, and get the alert when overspeed. Low Battery Alarm Waterproof IP66 Network:GSM/GPRS GSM/GPRS module:MTK Band:2G 850/900/1800/1900 MHz Communication protocol: GPS chip:NXP GPS accuracy:5-50 meters Time to first fix:Cold status 45s, status 1s Car charger:12-24 V (input), 5 V (output) Wall charger:110-220 V (input), 5 V (output) Storage temperature:-40℃ to 85℃ (-40℉ to 185℉) Operation temperature:-20℃ to 55℃ (-4℉ to 131℉) Humidity: 5%--95% (non-condensing) Built-in 1500 mAh battery Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:ABS Package Contents: 1 * Tracker 1 * Charging cable 1 * Card pin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.