CarLock - 2nd Gen Advanced Real Time 3G Car Tracker & Alert System. Comes with Device & Phone App. Easily Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play WORK & SLEEP WITHOUT WORRY - CarLock monitors and alerts you on your phone when your vehicle is moved, when the engine starts, if unusual vibration is detected & even if the device is disconnected! MONITOR YOUR TEENAGER - We love our teens but they can be entirely different people behind the wheel. CarLock detects harsh acceleration (drag racing), hard breaking & sharp cornering (stunt driving). VIRTUAL MECHANIC - CarLock actively monitors the health of your vehicle and alerts you in advance if your car battery is running dangerously low or is experiencing high battery drain. LIKE GPS ON STEROIDS - Included is also a detailed trip tracking which lets you monitor where your car has been. You'll be notified if your car is stolen or a "trusted" driver is going off course! EXTREMELY AFFORDABLE - CarLock uses cloud computing, internet storage, GPS tracking and a modern day app (Andoid & iOS). You get all this for only $9.60 per month and the first month is FREE! Work's on AT&T's network.