
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 a circular area from 10 to 120 feet in radius, up to 1.04 acres. The signal range can be adjusted directly from the transmitter.
Can I use this system for multiple dogs?
Our system supports up to 3 dogs simultaneously. You can pair collars in various combinations (1, 2, 3, or 1+2+3), and control each dog independently.
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 waterproof?
Yes, the receiver collar is IPX6 waterproof, making it safe for outdoor use and light rain. However, we don’t recommend submerging it in water.
Do I need Wi-Fi, an app, or a SIM card to use this system?
Not at all! This system runs completely offline. No SIM, no subscription, no app, and no internet connection required.
How long does the battery last?
Transmitter: 3000mAh battery, lasts 4–10 days per charge.
Receiver Collar: 1100mAh battery, lasts 2–5 days per charge depending on usage.
How do I contact customer support?
You can reach us at Masbrillofficial@gmail.com for any inquiries or support.