YardMax signal starts at the buried wire and continues outside the yard to give you more yard space. For dogs 8 pounds and upFits neck sizes 6-28 inches5 adjustable levels of static correctionTone-only mode alerts your pet with a beepExpandable up to 10 acres with additional wire (not included)Waterproof receiver collarCollar uses included rechargeable battery (built-in; non-replaceable)2-hour quick chargeCovers up to 1/3 acre with included boundary wireAdd an unlimited number of pets with additional receiver collarsWorks with 14-20 gauge copper insulated wire For dogs that continue past the wire, a harmless static correction reminds them to stay in the area you’ve established.
Surge protector included
