description Material: ABS Colour: Black Size: 7.8cm x 4.5cm x 2.5cm Battery Type: Lithium Battery Memory: 512 (M) Waterproof function: there Map function: Yes Coordinate dual display function: Yes Battery life: about 720(h) Voltage: Rechargeable 5000mAh battery (3.7V) Power Supply: DC5V Charging Line Standby time: more than 30 Alarm mode: fence alarm, speeding alarm, moving alarm, vibration alarm GSM module: GSM900/1800/1900MHz GPS chip: the latest ultra-high sensitivity super search capability GPS chip GPS sensitivity: -159dBm GPS center frequency: L1, 1575.42MHz GPS positioning accuracy: 2-25 GSM positioning accuracy: 100-500 Speed accuracy: 0.1 m/s Time accuracy: Synchronize with GPS Hot : 1 second Warm : 38 seconds Maximum altitude: 18,000 Maximum speed: 515 /second Operating temperature:-40---85C Humidity: 5%---95% Does not include Package Contents: 1 x tracker 1 x usb line 1 x Manual 1. Positioning monitoring function: In the global , real-time continuous monitoring of the , to achieve 24-hour positioning and monitoring all-weather. 2. E-fence function: After setting the forbidden area, when the 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 , longitude, speed, and other data of the to the control center. . 3. Emergency alarm function: When there is an emergency, you can send a signal to the preset authorization number or monitoring center through the emergency call button, and return the 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 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 (can be set), the tracker will automatically alert the preset authorization number or monitoring center and return the . Location, speed and other information. Low power alarm function: When the tracker is low power, it will automatically alarm to the preset authorization number or monitoring center and upload the location.