Features: Intelligent anti-theft system: Automatically cancel the anti-theft mode when car start, when car power off, the tracker will automatically enters the anti-theft mode. Multiple location tracking - 24 hour upload: Beidou + GPS + LBS multi-mode positioning system makes the acquired position information more accurate and reliable. Electric fence: Set the security zone. When the car enters or leaves the security zone, the mobile phone will receive the reminder at the first time. You can keep track of the car dynamics without opening the app. Historical track - 180 days: Free cloud storage, recording the car's driving trajectory within 180 days, you can view the trajectory by your phone at anytime&anywhere, very convenient. Vehicle vibration alarm: When the car is stationary, the tracker automatically enters the fortified state. When the car is moved or bumped, the tracker will immediately send an alarm message to the owner(sms, phone, APP, multiple alarm prompts). Anti-disassembly alarm: The device is equipped with a sensitive sensor, when the device is disassembled or destroyed, the owner will immediately receive an alarm message. Specification: Condition: Brand New Material: ABS Terminal Size: 31 * 31 * 57mm/1.2 * 1.2 * 2.2inch Network: GSM / GPRS Network band: 850/900/1800/1900 mhz GPS module: MTK2503 GPS sensitivity: -159dBm GPS positioning accuracy: 10 meters First positioning time: cold start 45-120 seconds warm start: 35 seconds hot start: 1 second Working voltage: 10-50V input Battery: Built-in lithium battery 3.7V 110mAh battery Storage temperature: -40℃ ~ + 85℃ Operating temperature: -20℃ ~ + 55 ℃ Humidity: 5%-95% (Non-condensing) Package Weight: Approx.83g Package list: 1 * GPS Tracker Relay 1 * C able . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.