New waterproof 2 Dog Electric Electronic Shock Pet dog Fence System collar W-227 A buried wire transmits a harmless radio signal. When you dog approaches the boundary, the signal causes the dog’s collar receiver to deliver a warning beep first. If your dog continues closer to the boundary, the system will issue a mild static. If your dog continues further, the system will issue stronger static until your dog returns to within the boundary you have set up. Your dog will naturally seek to avoid correction and will constantly staying within established boundaries. Hence that the static does not generate any harm to your pets and you can use it confidently. pictures: Features:Pet fencing device with pulsed proportional stimulus.Progressive tone stimulus.Low battery consumptionSpeed detection anti-run through.Audible wire break alarm.Visual wire break alarm.Variable field width control.Can be expanded for yards up to 5 acres with the purchase of additional wire/flag kits (sold separately).Quick disconnect terminals.Specifications:9V battery for collarRechargeable battery on the transmitter Measurements:Transmitter: 14.8x9.3x3.4cm.Receiver: 6.5x3.9x3.2cm

Package contents:

1 x Indoor wall-mounted transmitter1 x Power plug1 x Adjustable receiver collar1 x 9V battery for collar1 x Boundary wire of 300 meters2 x Extra metal contact points20 x Training flags1 x Test bulb2 x Screws1 x English user's manual