COVONO Underground Dog Containment System,Electric Dog Fence (In Ground Pet Fence,650Ft Wire,Waterproof,Rechargeable Collar,Static/Tone Correction,Support 2 Dogs)

Brand: COVONOColor: BlackFeatures: NEW VERSION FOR 2019: Features a pure black minimalist design,giving the product a distinctive texture.The upgraded system and unique low frequency awaking technique have better sensitivity and anti-interference ability,which makes it is more reliable than most of our competitors 100% SECURITY GUARANTEE: We are very concerned about your dogs.The mini size collar receiver provides comfort even in long-wearing situations.The 'Progressive Correction' will deliver beep first,then send shock with increasing intensity to get your dog's attention.Your dog suffers no harm even at the maximum shock intensity LARGE SYSTEM CAPACITY: The included 650 feet copper wire cover up to 3/4 acre while it can be expanded to more area with the purchase of additional wire.With the purchase of extra receivers,the containment system also supports an unlimited number of dogs simultaneously.You can get additional collars here:www.amazon.com/dp/B07K22ZRLL DURABLE COLLAR RECEIVE