Aniluxe Wireless Electric Satellite Dog Fence with GPS Dog Containment System(Waterproof and Rechargeable Collar Shock Tone Correction,for 1 Pet) mini projector ENERGY EFFICIENT: The tinted ENERGY EFFICIENT: The tinted Size :Small Prevue Pet Products Small Animal Cage with Stand is ideal for a variety of small animals including rabbits and guinea pigs In the absence of GPS signals 3 acre to 496 acres Rechargeable and waterproof collar with beep shock 5 levels of static correction to match dogs with different sensitivity A full stimulation lasts 20 seconds at a time The stimulation was limited to 3 times to prevent overstimulation All functions are integrated in the collar