Specialty Asset/Trailer Tracker with Configurable Event Lines.  Externally powered with a large backup battery. Telemetry device for vehicle tracking. With a long-lasting battery and weather resistance, this robust tracker is mainly designed for high-value fixed assets such as trailers, containers, industrial machinery, heavy machinery, trains, and even water-exposed assets, such as yachts. It features multiple interfaces, including 1-Wire and various I/O, to support various external accessories.