Features & details PetSafe Wireless Pet Containment System PIF-300, 3-Dog System. The package includes 1 wireless fence transmitter and 1 receiver collar Designed for dogs 8 pounds and up. Fits neck sizes 6-28 inches. Features 5 adjustable levels of static correction. The correction automatically stops after 30 seconds. Tone-only mode alerts your pet with a beep. Covers an adjustable circular area up to 1/2 acre (180 feet in diameter). Receiver collars are waterproof. Product information Item Weight ‎9.58 pounds Manufacturer ‎PetSafe ASIN ‎B00M9ENKRK Item model number ‎Wireless Pet Containment System Customer Reviews 4.3 out of 5 stars 118Reviews Date First Available ‎July 30, 2014 Item Package Dimensions L x W x H ‎15.8 x 13.2 x 12 inches Target Audience Keyword ‎dogs Size ‎180 Feet Manufacturer ‎PetSafe