The Garmin Alpha 100 GPS Handheld is a high-quality remote training system designed for hunting activities. It features a GPS sensor with a range of up to 9 miles, providing accurate direction and location information. The handheld unit is made of durable plastic in a sleek black color, and it operates on batteries for convenience. With both decimal and imperial measurement systems, this GPS handheld from Garmin is a reliable tool for tracking and training hunting dogs in the field. It also includes an antenna and charger for easy use and maintenance.