Dogtra EF3500 Invisible Dog Fence kit

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The new Dogtra EF3500 invisible dog fence system is one of the best rechargeable dog fencing systems for most breeds of dog from 7kg in weight. The collar is fully waterproof and rechargeable with built in 2 hours fast charge battery. The strong transmitter is able to emit a radio signal to run up to 40 acres wire/1600 metres wire (extra wire purchased separately). Extra Dogtra EF3500 receiver collars can be purchased here if you need to contain more than one dog.