Jetcare education pro jetcare spray training collarspecial offer get a universal gas refillnbsp free with every jetcare orderedhow it worksthe jetcare remote control dog training collar is a collar with a receiver which is placed around the dog39s neck it is triggered by remote control which picks up signals up to 300m in open spaces as soon as your dog begins to misbehave rummaging in dustbins stealing food or objects chasing cars etc all you need to do is to press on one of the two spray butto