The all-new Sentinel makes professional-grade GPS tracking a snap. Extremely easy to use, this tracker has completely done away with external batteries, cases, and wires. With wireless charging capability (requires optional charging pad) and three internal magnets with over 80 lbs. of pull, this tracker mounts flush to the frame of a vehicle making it virtually unnoticeable. Finally, a professional-grade GPS tracker that's easy enough for anyone to use!