PocketFinder PFVCAL00020-1 Vehicle GPS Tracking for 12V Asset Track your vehicle and see location from website or free mobile app for iOS and Android Fast Recovery - Pocket Finder has helped users locate stolen vehicles and recover them quickly Full Control - Zone and Speed Limit alerts keep you in the know even while you focus on other things Includes 1 device and battery connectors - Requires monthly service plan - No contract required 2.5 inch x 3.125 inch x .875 inch and 5.9 ounces (Black) - Connects to vehicle's battery