Combination containment and remote training system for yards up to 5 acres. Easy to uise hand held trainer. Trainer can be used in or out of the containment field. For dogs 20-220 lbs. Features run-through prevention and progressive correction. Replaceable 3-volt lithium battery in collar. Trainer range up to 150 yards with good dog and bad dog tone options. Water proofing - water resistant. Digital signal and computer enhanced. FCC approved. Includes 500 ft of single-conductor indoor wall-mounted transmitter, one water resistant receiver, one handheld transmitter, 50 boundary flags, 2 waterproof wire splicers, one 3-volt battery, instruction/basic training manual, one set long-hair prongs, and one set short-hair prongs.