Material: ABSColour: BlackSize: 78cm x 45cm x 25cmBattery Type: Lithium BatteryMemory: 512 (M)Waterproof function: thereMap function: YesCoordinate dual display function: YesBattery life: about 720(h)Voltage: Rechargeable 5000mAh battery (37V) Supply: DC5V Charging LineStandby time: more than 30 daysAlarm mode: fence alarm, speeding alarm, moving alarm, vibration alarmGSM module: GSM900/1800/1900MHzGPS chip: the latest ultra-high sensitivity super search capability GPS chipGPS sensitivity: -159dBmGPS center frequency: L1, 157542MHzGPS positioning accuracy: 2-25 metersGSM positioning accuracy: 100-500 metersSpeed accuracy: 01 m/sTime accuracy: Synchronize with GPSHot start: 1 secondWarm start: 38 secondsMaximum altitude: 18,000 metersMaximum speed: 515 meters/secondOperating temperature:-40---85CHumidity: 5%---95%Does not include Package Contents:1 x tracker1 x usb line1 x Manual1. Positioning monitoring function: In the global scope, real-time continuous monitoring of the target, to achieve 24-hour positioning and monitoring all-weather.2. E-fence function: After setting the forbidden area, when the target goes out and enters the forbidden area, the positioning terminal will warn the preset authorization number or alarm to the monitoring center, and return the latitude, longitude, speed, and other data of the target to the control center. .3. Emergency alarm function: When there is an emergency, you can send a distress signal to the preset authorization number or monitoring center through the emergency call button, and return the target positioning data.4. Overspeed alarm function: After setting the speed limit on the tracker, the tracker will automatically alert the preset authorization number or the monitoring center and return the target position, speed, and other information when it is overspeeding.5. Movement alarm function: After the tracker is set to the state of moving alarm, when the moving range exceeds 200 meters (can be set), the tracker will automatically alert the preset authorization number or monitoring center and return the target. Location, speed and other information. Low alarm function: When the tracker is low , it will automatically alarm to the preset authorization number or monitoring center and upload the location.