MASBRILL Electric Fence for Dogs,Underground...

【Rechargeable, Waterproof Receiver Collar】MASBRILL dog electric fence system comes with waterproof, rechargeable receiver collar that comfortably fits dogs 8 lb and up and adjusts to fit neck sizes 6-28 in.
【Beep & Static Shock Modes Warning】When the pet approaches the boundary line you set, the collar will first beep to notice your pet. If he/she continues to approach, it’s going to trigger electric shock accompanied by a beep.
【100-Level Signal Adjustable】You’ll be able to adjust the signal level through “+, -” at the transmitter, once you’ve got laid out the boundary, the higher the transmitter’s signal level, the less the dog’s range of movement, which means that the collar will beep sooner as the dog approaches the boundary.Transmitter will intelligent alarm when connection is bad or the wire is broken, find the problem in time.
【Cover Up To 3/4 Acre]】Comes with 650 feet boundary wire, cover up to 3/4 acre, expandable to more area with the purchase of additional wires. You’ll be able to lay wires in any shape to keep your dog stay where you wish to have it.
【 Contain All Your Pets】In case you have more than 1 pet purchase as many collars as you want. This pet containment system permits you to safely contain an unlimited collection of pets.