1Multiple ways to implement targeting: free monitoring queries, globally used, computer and APP queries. 2Small in size, with integrated design (built-in antenna and battery), it is easy to conceal and carry 3Support positioning without location server: can query real-time latitude/ longitude/ time/ speeds, call and hang up to automatically enter positioning information. 4If the device enters an underground parking lot or other GPS blind spot, it will report to you the location information of the last location of the device. 5With authorized number plus/delete, check the surrounding sound, and sound function. It can also enter the intelligent power saving mode.Features:Multiple ways to implement targeting: free monitoring queries, globally used, computer and APP queries. Small in size, with integrated design (built-in antenna and battery), it is easy to conceal and carry. Support positioning without location server: can query real-time latitude/ longitude/ time/ speeds, call and hang up to automatically enter positioning information. If the device enters an underground parking lot or other GPS blind spot, it will report to you the location information of the last location of the device. With authorized number plus/delete, check the surrounding sound, and sound function. It can also enter the intelligent power saving mode. Electronic fence, shift alarm, overspeed alarm, low power alarm, and vibration alarm function(optional). Added GPX function, you can also watch the trajectory of GPS locator without SIM card. Single positioning, click on the APP to locate, and enter standby power saving to cancel positioning. Inserting the mobile phone card, the device will go online automatically, even placed outdoors. Simple to use with free installation, not any settings required. Can see the historical trajectory of three months. It can also be adsorbed on metal such as car boat or container for real-time positioning. Specification:Color: BlackMaterial: ABS plasticNetwork: GSM/GPRSNetwork band: 850/900/1800/1900MhzGPS sensitivity: -159dBmGPS accuracy: 5mFirst starting time: Cold status 45s, Warm status 35s, Hot status 1sCar charging pressure: 12-24V(input), 5V (output)Handheld charging voltage: 110-220V (input), 5V (output)Battery: Chargeable 3.7V 800mAh Li-ion batteryStandby time: 24hoursGPS chip: For UBLOX chipNumber of channels: parallel 20 channelsPositioning time: cold start / hot start time 35 / 1 secondStorage temperature: -40 C - +85 CWorking temperature: -20C - +55CHumidity: 5%~95% (non-condensing)Package List:1 x GPS Locator1 x Instruction Manual1 x Data Cable1 x Thimble