Model Number:28973Material:plastic Origin:Mainland China Type:Dogs Features: Invisible environmental protection. The electric wire is buried underground, does not occupy a place, does not affect the appearance, and gives the dog more freedom Progressive tonal stimulation When the dog approaches the boundary, the warning sound will be sounded first. If it continues to approach, the system will give a slight impact Pulse proportional stimulation It is designed with human nature and high technology. The vibration intensity depends on the distance between the dog and the boundary line. The closer the dog is to the boundary line, the greater the vibration intensity Built in speed detector. The faster the dog moves, the higher the intensity level Safe and reliable Once the buried wire is damaged, the wire damage indicator will give a loud warning and flash. And the converter is equipped with lightning protection device to avoid lightning stroke. The control range is wide. It can be as big as a football field, and the variable range is quite flexible The power boost switch can adjust the width of the warning through the field width adjustment knob in the transmitter Audio disconnection alarm. If the system control center detects disconnection or the boundary system is not working properly, an audible alarm will sound to remind you Visual disconnection alarm, which also lights up if the system control center detects disconnection Quick disconnect the terminal, quickly and reliably connect or disconnect the wires of the control center Specification: Material: Plastic Size: As the Picture Waterproof: IP7 TypeEU Plug,US Plug Package includes: 4X Screws 20XTraining Flag 1XIndoor Wall Mounted Transmitter 1XAdjustable Receiver Collar 1XBattery 1X300m Boundary Line 1X Power Plug Notes: 1. Do not put the collar receiver on your pet for more than 12 hours every day. 2. This electronic dog is only applicable to dogs. 3. When the collar is on your dog, do not set the program randomly. Do dropshipping ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% brand new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective. If there are any other problems , Click on Help