Are you worrying about the safety of your car, your children, your aging parents, your pets or anything you care? This GPS Tracker maybe a good helper for you to solve your trouble. Simply insert a GSM sim card into the GPS tracker unit. Whenever you call the unit it will respond with the coordinates of its location via a SMS message. Then, you can use these coordinates on mapping (for example Google map) which will show where exactly the GPS tracker unit is located.This Cutting-Edge GPS tracker is designed for advanced tracking/monitoring, especially for vehicle tracking using GPS, GSM and GPRS technology. It is particularly useful if your vehicle, pets, child or your belongings have been stolen. Time to enjoy the benefits this GPS tracker brings! Moreover, our GPS tracker owns built-in dual strong magnets, which let your easily fix it on any metal surface. And its small invisible size greatly ensures it will not be discovered easily. Small Size But Helpful: Owns small size (1.57 x 0.98 x 0.59in), our cutting-edge GPS tracker is designed for advanced tracking/monitoring, especially for vehicle tracking using GPS, GSM and GPRS technology. Particularly useful if your vehicle, pets, child or your belongings have been stolen. Note: Please make sure the SIM card (Not included) has been inserted before charging. Real-time Tracker via Google Located Mode: Through adding Google map location mode into previous LBS system, the GPS tracker supports accurate and precise real-time location tracker function well - the live tracking possibilities are limitless! Notified or Monitor by Mobile Message: All functions such as recording separately (TF card is a must, and NOT included), voice-controlled callback, GPRS location query, and real-time location track query will be realized by sending mobile message directly. (Note: Not supports to download App) Free Installation: Built-in dual strong magnets, this GPS tracker can absorb any metal surface, easy to install and you do not have to warry about where to place it anymore. Designed for use in any vehicle to track it\'s location, such as cars, trucks, boats, motor homes, vans and construction machinery and many more. Long Standby Time: Built-in 400mAh Li-ion battery, the GPS Tracker can support 12 days standby time and 4-6 days working time. Note: Please make sure the SIM card (Not included) has been inserted before charging. Brand: iMounTEK Product Type: GSM GPRS GPS Tracker Charging Input: AC110~220V50/60Hz Charge Output: 300-500mA OutputDC5.0V Working Voltage: 3.4 - DC 4.2 Working Voltage: 3.4 - DC 4.2V Standby Current: About 2.5mA Voice Control current: About 30mA Talking Current: About 150mA Battery: 400mAh Li-ion battery 3.7V Charging Method: USB charging Standby Time: 12 days Working Time: 4-6 days Expansion Card: TF card Continuous Talk Time: 150-180 minutes Storage Temperature: -40 centigrade to 85 centigrade Working Temperature: -20 centigrade to 55centigrade Humidity Range Non-condensing: 5%--95% non-condensing Network: GSM / GPRS GPRS: Upload60, TCP/IP GSM Positioning Time: 25 second Frequency: GSM850/900/1800/1900MHZ Color: Black Main Item Size: 4cm x 2.5cm x 1.5cm/ 1.57inch x 0.98inch x 0.59inch (L x W x H) Main Item Weight: 19g/0.04lbs Packaging Size: 9cm x 7.5cm x 6.5cm/3.54inch x 2.95inch x 2.56inch (L x W x H) Packaging Weight: 50g/0.11lbs 1 x GPS Tracker 1 x USB Cable 1 x User Manual