Fire engine on a night roadway with road flares deployed
Slow down · Move over · Come home

Make the Move Over law impossible to ignore

A radio-linked network of LED flares throws a moving runway of light around your engine. Turn and drop — they auto-sequence and pull traffic away from your crew.

20+ hrs
Runtime / charge
35,000 lb
Crush strength
< $0.90
Per deployment
Trusted on engines & command vehicles nationwide
Winchester FDCity of Russell FDJordan FDThe Shelly Co.+ DOT · Towing · Utility
Our mission since 2013

Bring our first responders home safely every night

The roadside is the most dangerous place you work — so we engineered a smarter way to own it. Smart sequential flares turn a chaotic scene into a clearly-directed one: more warning, earlier, and the buffer your crew deserves.

Firefighter deploying pi-lit sequential flares on a roadway at night
$273K
Saved per year by one department that switched from fusees to sequential flares
20+ hrs
Runtime on a single charge, depending on flash pattern
35,000 lb
Crush strength — built to survive a live roadway
5+ yrs
Anticipated service life, 1,500 charge cycles
Firefighters working a roadway scene at night
Built for the crew

We build for the crew that works with their back to traffic

Our Sequential Flares exists for one reason: to put an unambiguous "arrow" of moving light between you and oncoming traffic, and get everyone home safe each night.

How it works

A runway of light, laid down in seconds

There's a reason a sequential "rabbit" beacon guides every aircraft to the runway. A moving light reads as a direction, not just a hazard — so drivers slow down and move over before they reach you.

pi-lit sequential LED flare set with Endoskeleton charging case
Aerial view · taper guiding traffic around the engine
Direction of travel →
Crash scene
Fend-off
Move over →
ApproachSlowMove overClear
01

Pull Off & Drop

No programming, no pre-numbering, not having to search for and hit a button. Simply pull the sequential flare off the case and place — the flares auto-sync into the correct sequence as you walk the taper.

02

Warn & Guide Traffic

A moving "runway" of light reads as a direction for motorists. Drivers see it further in advance and distinguish the active moving light from your light bars — reducing and preventing any confusion or disorientation a motorist experiences when entering a chaotic scene.

03

Grab & Go

The Endoskeleton case makes it easy to retrieve the sequential flares. Leave them flashing as you snap them on the case - keeping you visible to traffic until you get back to the safety of your apparatus.

From the field

See a real scene get lit and cleared

Turn and drop. The flares find their place in the sequence on their own — no programming, no pre-numbering.

Smart flare vs. fusee

One smart flare replaces thousands of fusees

No smoke, no open flame, no constant relighting — just a reusable device that's ready every call.

Smart Sequential Flare
Traditional Fusee
Cost per deployment
Under $0.90 — free after year one
$3.00, gone in 20 minutes
Reusable
1,500+ deployments per flare
Single use, then trash
Fire & hazmat risk
None — safe near fuel & spills
Open flame + perchlorate smoke
Driver guidance
Sequential "runway" taper
Random, static glow
Service life
5+ years, always ready
20 minutes, then relight
Setup in the rain
Pull Off & Drop, Auto-Syncs
Strike, shelter, relight
★ Federally recognized

Approved to replace warning triangles & flares

pi-lit Sequential Safety Flares have been granted an exemption by the Federal Motor Carrier Safety Administration (FMCSA) for use as a warning device in lieu of warning triangles or fusee flares — so your crew deploys with confidence.

FMCSA Exemption
Cleared to replace warning triangles & fusee flares.
Made in USA
Designed, assembled & supported in California.
2-Year Warranty
Bulletproof build, backed for the long haul.
Safe Near Spills
No flame, no smoke — deploy around hazardous materials.
From the departments

Run over, dropped, beaten up — still going

★★★★★

"Our department ordered these about two years ago and we couldn't imagine not having them. If you respond to accident scenes or close roads often, these are a must-have. Very easy to use and very effective — we now run them on all our fire engines as well as command vehicles."

JB
Lt. Jonathan Beam
Winchester Fire Department · KY
★★★★★

"Our firefighters deploy them on accident scenes, for air-med landings in the field, and to direct traffic during structure fire operations. They've been run over, dropped, beaten up, and put through every test of firefighting operations — and they're still going strong. One purchase we are absolutely thrilled with."

DR
Chief Dylan Riedel
City of Russell Fire Department
★★★★★

"The lights are great and have worked extremely well out on the highway. Other agencies have asked about them and really liked them — the troopers talked about getting them instead of flares. Great purchase for us, and great customer service too!"

BB
Brian Bohlsen
Jordan Fire Department
★★★★★

"I ordered a set to test with my night driver and our safety department absolutely loves them. I've been authorized to order four more units just for our division's carryall drivers. Safety is the most important culture in our business."

FB
Frank Bianchi
The Shelly Company · NE Division
Equip your department

Pick the kit that fits your apparatus

Every kit ships with the Endoskeleton carrying case / charge dock, car & wall chargers, and batteries installed — ready to deploy out of the box.

Patrol Kit
Command & patrol

Patrol Kit

6 flares

Single-vehicle response for command and patrol units.

✓6 smart sequential flares
✓Endoskeleton case / charge dock
✓Car & wall chargers
✓Batteries installed, ready to go
✓
Add charging dock station
Multi-bay rapid charge & storage
Shop this kit →
Most Popular
Engine Kit
Most departments run this

Engine Kit

10 flares

The standard taper for fire engines and accident scenes.

✓10 smart sequential flares
✓Endoskeleton case / charge dock
✓Car & wall chargers
✓Reverse-sequence deployment
✓Up to 50 ft between flares
✓
Add charging dock station
Multi-bay rapid charge & storage
Shop this kit →
LZ + Flare Combo Kit
Landing zone & highway

LZ + Flare Combo Kit

5 LZ + flares

Green LZ landing-zone lights paired with sequential flares for air-med ops and major closures.

✓5 IR Landing Zone Lights + 5 Sequential Traffic Flares
✓5 Ballast Range Extender Bases includes in a satchel for the IR LZ Flares
✓Endoskeleton case / charge dock
✓Car & wall chargers
✓
Add charging dock station
Multi-bay rapid charge & storage
Shop this kit →

Slow down.
Move over.

Give your crew the buffer they earned. Equip every engine and command vehicle with smart sequential flares.

pi-lit

Radio-connected IoT devices improving roadway safety. Proudly designed & manufactured in the USA since 2013.

Contact
Pi Variables, Inc.
3002 Dow Avenue, Suite #138
Tustin, CA 92780
+1 (949) 415-9411
© 2026 Pi Variables, Inc. All rights reserved. FMCSA Exempt · Made in USA · 2-Year Warranty