Petiner Bark collar sends harmless static shock to the dog whenever it barks
More energy saving, compared to the Basic version, save 80%. Usually it will work 2-3 weeks
More accurate,a unique identification technology will reduce the injury for dogs which coused by other sounds
Includes receiver, operating manual and replaceable 6-volt battery
Waring:This is Not Waterproof,Generally recommend for 18-120lbs dogs.