*Features*: *Safe Efficient Dog Fencing System*:Come with buried wires and wall-mounted transmitter,help to train dogs to shape the habit of living in their own independent space,and keep your furniture and daily necessities clean and tidy,especially keep your pets away from the uneasy of living in a real fence. Make sure your dog stay in the specified and safe area,you will never have to worry about anything when you go outside. It can be widely used for dog training at home or field trip. *Automatic Dog Training*:The collar works automatically once you install the system. It will send beep and shock as your dog try to cross the boundary wire. The closer your dog goes,the more intense the shock will be,effectively train him back to the play area you set. *Adjustable Control Range*:The electric fence allows you to control the width of the boundary by adjusting the knob. Customizable range up to 1.2 acres/53189Square FT. The wire break warning can tell you in time if the wire is broken. The red low-battery indicator prompt you to replace the collar battery or it cause intermittent operation. *Multiple Dogs Support*:Fits all kinds of dogs weighing 4lbs+with neck sizes from 7.5in To 17.92in. One transmitter can pair with 3 collar receivers. Note:Our package only contains dual receiver collars. *Stable Mount*:This do-it-yourself weekend project lets you create an in-ground fence designed to fit your yard. Suggestion:Use it only under the supervision of dog’ owner. Do not let the collar receiver over your pet for more than 12 hours a day. Friendly Reminder: Please use short probes for short-haired dogs. Use long probes for long-haired dogs. As for fence,only when a dog runs at a relatively low speed and within the range of .5m/1.64ft,will the fence be activated. Otherwise,the fence will not work. How It Works: 1) Wall-mounted transmitter:Transmitter is the central controller to whole electronic system. Make sure the wire is set to a loop. 2) The receiver collar:Receiver(collar) will make a warning beep firstly and then continuous stimulation if your dog attempts to approach wire boundary. 3) How to install the system *Design your containment area and calculate the amount of wire needed. *Install the wall transmitter. *Lay out the perimeter wire. *Connect the perimeter wire to the wall transmitter. *Verify transmitter is functioning without problem. *Set up the receiver and then,test the containment system and adjust the field width. *Install the boundary wire and training flags. *Fit collars to your dogs and train your dogs.  Note: *Only use it for dog,not any other animals. *Let your dog adapt to the collar before you start training. You should allow your dog to accept the collar as a part of her life. *When the collar in your dog,do not set the program. *Keep away from children can touch the place. *Please read all instructions before using this product. *The receiver can detect the signal emitted around 1m away from the boundary when the boundary range is adjusted to minimum. The receiver can detect the signal emitted around 2m away from the boundary when the boundary range is adjusted to maximum. If your dog is small,it’s recommended to apply small field width. If your dog is large,it’s recommended to apply bigger field width. *Specifications*: Option Specification System Product Type: Electric Dog Fencing System Materials: ABS US Plug Of Remote: 100-240V Collar Battery Type: 4LR44 6V Runtime Per Battery: 10Days Adjustable Control Range: Up To 5000 Square Meters/53189Square FT/1.2Acre Pet Collar Fits Dogs 4lbs+ with Neck Sizes From 7.5in To 17.92in Bury Wire Cable Length: 300m/984FT Suggested Wire Bury Depth: More Than 1in Underground Per Flag Size:8.5x19.5x0.5cm/3.34x7.68x0.2in Charging Cable Length: 110cm/43.3in Per Collar Strap Length: 45.5cm/17.92in Transmitter Size: 14.3x9x5cm/5.63x3.55x1.97in Transmitter Weight: 115g/0.26lbs Per Collar Receiver Size: 6.5x3.5x3cm/2.56x1.38x1.19in Per Collar Receiver w Strap Weight: 56.5g/0.12lbs Receiver Product Type: Electric Dog Collar Receiver Color: Black Material: ABS Battery Type: 4LR44 6V(Battery Not Included) Runtime: 10 Days Fit For Dogs: Fits Dogs 4lbs+ with Neck Sizes From 7.5in To 17.92in Collar Strap Length: 45.5cm/17.92in Item Size: 6.5x3.5x3cm/2.56x1.38x1.19in Item Weight: 56.5g/0.12lbs 300M Wire Product Type: Dog Fence Wire Color: Blue Material: Aluminum Wire Thickness: 0.5cm/0.2in Wire Length: Around 300m/984ft Rolled Item Size: 7.8×7.8×3.3cm/3.07×3.07×1.3in Item Weight: 230g/0.5lbs 200M Wire Product Type: Dog Fence Wire Color: Blue Material: Copper Wire Thickness: 1.1cm/0.43in Wire Length: Around 200m/656ft Rolled Item Size: 12×12×4.3cm/4.7×4.7×1.7in Item Weight: 410g/0.9lbs *Package Size & Weight*: Option Package Size & Weight System Packing: Retail Box Package Size: 30*19*7cm/11.81*7.48*2.76in Package Weight: 845g/1.86lbs Receiver Packing: White Box Package Size: 10*10*4cm/3.93*3.93*1.57in Package Weight: 98g/0.21lbs 300M Wire Packing: PP Bag Package Size: 15 ×14 ×6cm/5.91×5.51×2.36in Package Weight: 234g/0.52 lbs 200M Wire Packing: PP Bag Package Size: 15*15*5cm/5.90*5.90*1.96in Package Weight: 467g/1.02lbs *Package Lists*: Option Package List System 1x Indoor Wall-mounted Transmitter 2x Adjustable Receiver Collars w/Neck Straps 1x Power Adapter w/ Charging Cable 2x 4LR44 6V Batteries (Installed In Receivers) 1Coil x Boundary Wire 20 x Training Flags 2x Test Bulbs 2Pairs x Extra Metal Contact Points 1Bag x Screws 1x User Manual Receiver 1 x Training Collar Receiver 300M Wire 1 Roll x Dog Fence Wire 200M Wire 1 Roll x Dog Fence Wire