
3-in-1 Wireless Dog Fence
The F383 combines wireless fence, training collar, and forbidden zone control in one smart, easy-to-use system—no wires, no apps, no hassle.
Keep your pet safe and obedience wherever you go.

Use Anywhere – Indoors or Outdoors
☑️Smart Fence Mode (10–120 feet)
Give your dog the freedom to roam—safely.
Create a fully customizable outdoor boundary ranging from 10 to 120 feet, ideal for yards, gardens, and open spaces.
No digging, no wiring—just effortless setup and smart containment you can trust.
☑️Indoor Forbidden Zone Mode (5–15 feet)
Protect one area at a time and keep your home safe. With a detection radius of 5 to 15 feet, it’s perfect for creating invisible “no-go” zones indoors while keeping your space clean and open. Keep your dog away from furniture, kids’ rooms, or the kitchen—no gates or barriers needed.
It’s also great for outdoor use—set up boundaries around your garden, patio, driveway, or pool to keep your dog safe and your space protected.

Flexible & Removable Mounting
The 3-in-1 transmitter supports table, wall-mounted, and handheld use.
The adjustable tripod stand offers height control, letting you position it for the best signal coverage anywhere.
Whether you're training indoors, setting boundaries in the yard, or traveling with your pet, this flexible setup gives you total control over signal placement and coverage.

LONG BATTERY LIFE
Equipped with a 3000mAh transmitter and a 1100mAh receiver, the system offers an extended runtime.

IPX6 Waterproof
With an IPX6 waterproof receiver collar, it's perfect for water-loving dogs. Rain, mud, or splashes from a pool—training continues without interruption.

For Medium & Large Dogs
Durable, adjustable collar with a strong buckle and easy-slide strap—perfectly designed for medium to large breed necks.

FAQ
What is the range of the Masbrill Wireless Dog Fence?
The wireless Fence mode covers 10 to 120 feet.
The training mode extends up to 2,600 feet .
The Forbidden Zone mode offers precise control within a 5 to 15 feet .
Can I use this system for multiple dogs?
Wireless Dog Fence Function: Yes, the wireless fence can support an unlimited number of dogs. Simply purchase additional collars for each dog.
Dog Training Function: The training remote supports up to 3 dogs simultaneously, allowing individual settings for each dog.
Can this system be used indoors?
Yes, the wireless design allows it to be used both indoors and outdoors.
Will it harm my dog?
The system is designed with safety in mind. The correction levels are adjustable, allowing you to choose the most appropriate setting for your dog. The static correction is safe and mild, serving as a reminder rather than a punishment. Always start with the lowest level and monitor your dog's response during training.
What happens if my dog crosses the boundary?
The collar automatically activates, starting with a vibration warning followed by static correction to guide your dog back.
Is the collar size adjustable?
Yes, the collar is fully adjustable and designed to fit most medium to large breed dogs.
How long does the battery last?
The operational duration device is up to 26 hours for the transmitter and up to 24 hours for the receiver after a full charge.
How do I contact customer support?
You can reach us at Masbrillofficial@gmail.com for any inquiries or support.