INSULIGHTS

INSULIGHTS, Invented By A Horseman Who Needed To Find a Better Way

Bill Brown isjust a farm kid trying to keep the cattle in. He grew up on 700 acres and 150 head of cattle in Northwest Iowa, and his wife Sue grew up on a dairy farm nearby. Like countless other farm kids, they walked the fence lines to check if their electric fence was live. When the animals got out, it was like a fire drill — all hands on deck. The task of checking their electric fences followed them into adulthood. After the initial shock of one of their horses getting out and being hit by a car, Bill thought: There’s got to be a better way. After much dedicated research and the quest for just the right design, INSULIGHTS were developed in 2018. Tested in the harsh Iowa weather, which can fall to -15 degrees in the winter and reach 120 degrees in the summers, Bill and Sue stand behind the Insulights electric fence monitor with a 1 year warranty and satisfaction guarantee.

INSULIGHTS Are Visible From a Long Distance!

Who wants to go outside in the dark, or the rain or snow and check the fence?Wouldn’t it be easier to just look to see if the fence was hot? In 2018, Bill and his wife Sue foundedINsulightsa company dedicated to keeping livestock and crops safe through their patented electric fence monitor. By simply looking down the fence line, the flashing indicator shows that the fence is live. No walking the lines. No checking with pliers. It’s also designed as a wildlife deterrent, with blue plastic, a color known to deter deer, and red flashing light, which mimics a predator’s eyes at night. Insulights are visible up to 1/2 mile away at dusk or dawn.

Can INSULIGHTS Be Seen During The Day?

Yes! INSULIGHTS are visible during daylight hours,like LED Christmas lightsthat can be seen from several yards away on your Christmas tree— only these are brighter! At night, the high-intensity LED is extremely bright and can be seen up to a half mile away. Insulights are not intended to be installed on every fence post; most customers place them approximately every quarter mile or at locations visible from the house, shop, or vehicle.

Do INSULIGHTS Help To Make My Electric Fence More Visible?

Absolutely! At night, Insulights clearly indicate both the presence of the fence and that it is energized. This is especially appreciated by trail riders and campers, as Insulights function as a warning light around trailers and campsites while confirming the fence is working. They also help make that fence more visible to your horses!

Why Is Having “No Grounding Wire” Important?

Electric fences operate by sending a pulse of electricity down the fence wire and require a return path for the current. Proper grounding provides that return path and allows the energizer to function correctly. Insulights must also be grounded in order to indicate that the fence is working. When the fence is properly energized, the Insulight flashes. If a tree, branch, or other object grounds out the fence, the Insulight will stop flashing—immediately alerting you that the fence is no longer operational. Unlike traditional fence testers that require a wire and a ground stake placed in the soil,Insulights use a self-contained design powered by a 2032 watch battery.This eliminates concerns related to lightning, poor soil conditions, or installing and measuring a ground stake. Insulights are fully self-contained and simple to use.

Is It True That The Only Thing You’ll Need To Replace- Is The Battery?
Yes. The only maintenance required is replacing the 2032 watch battery, which, according to the manufacturer,should last 18 months to 24 months-much like changing batteries in a garage door opener. We make sure all batteries are included — so you won’t need to worry about it for about 18 months!

Do The Batteries Really Last 18 Months?

The 2032 battery itself is rated to retain power for over eight years when unused. In active fence applications, the battery should last for 18 – 24 months, according to the manufacturer. If a customer reports that an Insulight is not flashing, we suggest tapping it in their hand. If it flashes, the Insulight is functioning correctly, and the fence is likely down. Many customers report battery life beyond 18 months, but replacement intervals are similar to other household battery-powered devices.

Order Your INSULIGHTS Today & Leave The Worry Behind!

No more driving or walking the fence to see if it is working. You will be able to view your Insulights up to 1/2 mile away! If they are blinking, your fence has power! If you have electric wire, tape, or rope, you Need Insulights!Order today!

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What exactly is an Insulights electric fence monitor?

Insulights is the only blue insulator built with a flashing red LED light that confirms, at a glance, that your electric fence is live. The LED pulses in time with your fence charger, so a steady flash means the circuit is hot and your horses are contained. The device measures about 3" wide by 3" deep by 2¼" tall, weighs just 1.6 oz, and the flash is visible up to a half mile away at night — letting you check the whole line from the house, the truck, or the barn instead of walking it by hand.

Who invented Insulights, and where do they come from?
Insulights was founded in 2018 by Bill Brown (President, Founder and Inventor) and his wife Sue Brown (Vice President, Customer Service), who both grew up in farming families in Northwest Iowa. Bill was raised on 700 acres running 150 head of cattle, and Sue grew up on a nearby dairy farm. The idea was born from heartbreak: after one of their horses got out and was hit by a car, Bill thought, "There's got to be a better way — wouldn't it be easier to just look and see if the fence was hot?" That question became a patented product now sold across the United States, Canada, Europe, Australia, and South Africa.

How is each Insulight built and powered?

Each unit pairs a durable blue HDPE plastic insulator with an enclosure housing the flashing red LED. The blue color doubles as a deer deterrent and the red light mimics predator eyes, helping discourage wildlife from testing the fence. Power comes from a single #2032 common watch battery, which ships already installed and typically runs 18 months or more of continuous flashing before it needs a simple swap. Because the LED runs on its own battery, there is no ground wire to fuss with.

How does an Insulight tell you the fence is working?

The red LED flashes with every pulse of the fence charger — a steady flash is the positive indication that the circuit is hot and holding. If a wire breaks or the charger fails, the units downstream of the break stop flashing, which both warns you of a dead fence and helps you walk straight to the break in your circuit instead of searching blind. Insulights mount on steel posts, T-posts, and can be nailed to wood posts, and they work with smooth wire, poly tape, and braided electric fence wire alike.

Who should run Insulights on their fence line?

Insulights are made for horse owners, cattle ranchers, and anyone managing livestock or crops behind an electric fence — especially across large or hard-to-reach acreage where walking the line daily isn't practical. As Katrina Wright of Peachy Farms put it, "It's like having an extra person who checks fence for me... It's a game-changer for electric fencing." The company recommends spacing one Insulight every 400 yards so the whole perimeter stays visible at a glance, day or night.

How do you buy Insulights and what do they cost?

You can order directly at insulights.com or by. A single Insulights Electric Fence Monitor is $24.99, and the "Buy 4, get 5th free" bundle of five units is $99.96. Components are made in the USA — specifically in Iowa and Minnesota — and assembled in Akron, Iowa, then tested on Iowa fences through real winters and summers from -15°F to 115°F. Every Insulight carries a 1-year warranty with proof of purchase plus a satisfaction guarantee. Reach the Browns at or 1024 NW 33rd St., Ankeny, IA 50023.