1.Processing Factory for dog anti bark collar 2.High Quality dog bark stop ... :It has two models,High Key can be for big dogs,Low Key for small ones.3.ULTRASONIC Key:once press it ... and east to operate.Notes:1.Large stocks.if less than 1000pcs.goods in stocks.2.for 1-20pcs,we can send by ... test twice.In case wronged one,we change new ones for u.5.payments:Paypal,Credit Card,Western Union,T/T ...