1.[No SubscriptionGPS tracker does not need to insert SIM card, no subscription, no hidden cost for one time purchase, you can use it without worrying about paying expensive monthly fee.2. [Mini GPS Device] Mini GPS Tracker is compact (1.2 x 1 x 0.2 inches) and lightweight (1.03 ounces) can easily cope with all kinds of scenarios, you can put the GPS device in the car, truck, family, pets, or clothes, backpacks, keys, no problem at all.3.[App] The car GPS tracker is compatible with Android and Apple operating systems, check the QR code of the manual to download the app to connect with your GPS device, when you need to find the target, the app will help you connect to Google Maps to view the exact location, very smart and convenient.4. [Battery] We upgraded the car GPS tracker battery, using a polymer lithium battery, energy density is greater endurance time is longer, GPS tracker can continue to work for 365 days, no longer need to worry about power problems, to solve your range anxiety.5. [Waterproof and dustproof] Mini GPS tracking device can be waterproof and dustproof, if the rain or fall into the water you do not have to worry about, will not affect its work.