Pests change the plan.
Patio dinners end early. Campsites become a swatting contest. A quiet hour in the garden stops feeling quiet.
Slate Signal · chemical-free · portable
Pests shouldn't decide when you go inside.
Meet Slate Signal—the portable ultrasonic pest device made for mosquito- and tick-prone outdoor routines.
No spray. No smoke. No scent.
- Changing ultrasonic output instead of a topical formula
- Nothing applied to your skin and no smoky setup
- One portable device for patios, gardens, and campsites
Take back more outdoor moments:
Choose your setup
Solo
€39,95
Choose your color
Most Popular
Buy 2 Get 1 Free
€119,85€79,90
You save 33%Free shipping
Choose your color
Best Value
Buy 3 Get 2 Free
€199,75€119,85
You save 40%Free shipping
Choose your color
Your third device is free
Ready for outdoor season
100-day satisfaction guarantee
Processing 1-3 days, estimated US delivery 4-7 days after dispatch, tracked · Secure checkout
- Tracked shipping
- Secure checkout
- 100-day returns
- Portable format
Slate Signal is a portable outdoor device that emits a changing high-frequency ultrasonic pattern. It gives you a sound-based option with no lotion, spray, smoke, scent, or residue.
Choose Solo for one device, Buy 2 Get 1 Free for three devices, or Buy 3 Get 2 Free for five devices. Your selected quantity and promotional price are applied automatically.
No spray, smoke, or scent. Variable-frequency ultrasonic output. Portable clip-and-go format. Keep the emitter unobstructed and follow the included guide.
Processing 1-3 days, estimated US delivery 4-7 days after dispatch, tracked. You will receive a tracking link by email as soon as your order is on its way.
Try Slate Signal with our 100-day satisfaction guarantee. If it is not right for your routine, send it back for a refund.
The problem isn't only pests.
It is everything conventional pest routines ask you to tolerate just to enjoy your own backyard.
Spray becomes the routine.
Sticky skin, strong scent, repeated application, and another bottle to remember every time you head outside.
Smoke creates a new problem.
Coils, candles, and torches add flame, fumes, cleanup, and consumables to the place you came to relax.
Meet Slate Signal
Change the signal. Keep the moment.
Slate Signal replaces the messy routine with a compact, variable-frequency ultrasonic device made to stay close wherever the evening takes you.
- ✓Changing ultrasonic outputA variable-frequency signal instead of a chemical formula.
- ✓Nothing goes on your skinNo lotion, oily residue, or fragrance from the device.
- ✓No smoke, flame, or consumable coilSwitch it on without turning your setup into a chemistry kit.
- ✓Portable by designKeep it close on the patio, at camp, in the garden, or on the move.
One tick bite can change what dinner means.
Alpha-gal syndrome is a serious allergy that can develop after certain tick bites. Knowing the risk makes a complete prevention routine easier to take seriously.
01
Some tick bites can lead to alpha-gal syndrome.
In the United States, the lone star tick is most often associated with this serious allergy. Not everyone who is bitten develops it.
02
The reaction can appear hours after a meal.
For people with alpha-gal syndrome, symptoms commonly appear 2–6 hours after exposure to mammalian meat, dairy, or another product containing alpha-gal.
03
Symptoms can range from uncomfortable to life-threatening.
Hives, stomach symptoms, swelling, and breathing difficulty can occur. A severe allergic reaction requires immediate emergency care.
Up to 450,000
people in the United States may be affected by alpha-gal syndrome, according to the CDC. The exact number is unknown because cases are not nationally notifiable.
The takeaway
Add Slate to my routine
Build a complete tick-prevention routine.
Use EPA-registered repellent, protective clothing, habitat awareness, and thorough tick checks where tick-borne illness is a concern. Slate Signal can be an additional no-spray device in your outdoor routine, but should not be relied on alone.
Educational information: CDC — About alpha-gal syndrome, UF/IFAS — Redlegged ham beetle, and University of Minnesota Extension — Larder beetles.
Why the signal changes
Not a spray. A different approach.
Slate Signal uses a changing ultrasonic output instead of lotion, scent, smoke, or disposable chemical refills. Switch it on, keep it close, and add it to the outdoor habits you already trust.
A changing ultrasonic pattern, made portable.
The device emits high-frequency sound in a changing pattern. It does not release a topical or airborne repellent.
01
Clip it near you.
Attach it to a belt, bag, chair, tent loop, or another secure point close to your outdoor setup.
02
Switch on the signal.
Start the variable-frequency ultrasonic output before you settle into the patio, garden, or campsite.
03
Keep smart habits.
Pair it with clothing, tick checks, and an EPA-registered repellent whenever bite prevention matters.
One less reason to go inside.
Slate Signal slips into the outdoor moments you already love without adding a messy ritual.
01 · Ready bag
Pack one simple device.
Trade the pile of bottles and repeated setup for one rechargeable clip-on routine.
One device.Every outdoor plan.
02 · Camp
Pack less hassle.
A compact sound-based companion without bottles that leak or coils that need a flame.
03 · Day bag
Leave it where you reach for it.
Keep Slate Signal with the outdoor gear that already follows you from the garden to the trail.
04 · Travel
A routine that moves.
Take the same familiar device from the porch to the cabin, campsite, picnic, or weekend bag.
100 daysMake it part of your routine—or send it back.
Try Slate Signal through patios, gardens, weekends, and real outdoor plans. If it is not right for you, our satisfaction guarantee has you covered.
Try Slate Signal
Made for outside
See how Slate Signal fits the day.
From the first trail mile to the last patio course, the clip-on design stays close without adding another messy ritual.
Family camping
Clip on before camp
Dog walks
Bring it on the dog walk
Backyard play
Keep playtime outside
Trail running
Light enough for the trail
Garden time
Hands free in the garden
Picnic setup
Set it close to the moment
Group hiking
One for every outdoor plan
Rainy trails
Built for changing weather
Day hikes
Attach it and keep moving
Patio dinner
Stay for another course
Swipe to explore
Small device. Easier outdoor routine.
See how Slate Signal fits into patios, gardens, campsites, and everyday plans outside.
4.8
3,173 customer reviews
Feedback from outdoor routines.
Patios, campsites, gardens, trail days, and everyday plans outside.
100-day satisfaction guarantee
Easy returns
Tracked shipping
Customer-submitted reviews are shown in the reviewers’ own words. “Verified buyer” appears only when a purchase has been matched to an order.
Side by side
Less stuff between you and the outdoors.
A reusable sound-based device for people who want an option with no skin application, smoke, or fragrance.
Slate Signal
Topical Sprays
Coils & Smoke
Nothing applied to skin
No flame or smoke
No fragrance or residue
Reusable device format
Clip-on portability
Silent to most adults
Questions? We've got you.
Slate Signal is a portable outdoor device that emits a changing ultrasonic signal. It is designed as a chemical-free companion for patios, campsites, gardens, and other outdoor routines.
The device produces a shifting pattern of high-frequency sound rather than dispersing a topical or airborne repellent. Ultrasonic pest devices are not EPA-registered insect repellents, and real-world results can vary.
It is designed to operate above the range most adults hear. Individual hearing ranges differ, so stop using it if you notice an uncomfortable sound.
No lotion, spray, smoke, or fragrance is released by the device, and nothing is applied to your skin.
Use it as directed near your patio chair, garden setup, campsite, day bag, or other outdoor activity. Keep the emitter unobstructed and follow the included product instructions.
No. Do not rely on an ultrasonic device alone where mosquito- or tick-borne disease is a concern. CDC recommends EPA-registered insect repellent, protective clothing, avoiding tick habitat, and checking for ticks after outdoor time.
Some animals hear higher frequencies than people. Keep the device away from pet resting areas and ask your veterinarian before using it around pets that may be sensitive to sound.
Processing takes 1-3 days. Estimated US delivery is 4-7 days after dispatch, and tracking is provided when your order is on its way.
Try Slate Signal with our 100-day satisfaction guarantee. If it is not right for your routine, send it back for a refund. See our full refund policy for details.
Your next evening outside starts here.
Choose your Slate Signal setup, try it through real outdoor plans, and decide with a 100-day satisfaction guarantee behind you.
Choose My Slate Signal
Spent a week on the Appalachian Trail and clipped this to my pack every day. Usually I pull ticks off my clothes at camp, but this time? Nothing. The rechargeable battery lasted the whole trip. Already ordered a second one.
Bought the 3-pack for my family’s camping gear. We each keep one in our tent vestibule and they run all night without issue. Charging from the portable solar panel is easy. Mosquitoes were noticeably less of a problem around our site compared to the neighbors.
I clip this to my dog’s harness when we hit the greenbelt trails. Haven’t found a single tick on her since we started using it three weeks ago. My only gripe is that I wish the battery indicator was easier to see in bright sunlight.
Fishing weekends just got better. I set the Slate Signal on the boat rail and it keeps the biting flies at bay while I’m casting. Recharges overnight in the truck. Solid build quality too.
Gardening used to mean constant tick checks. Now I set this on the stone wall while I work and I can focus on my tomatoes instead of swatting. Love that it’s rechargeable—no more disposable batteries cluttering my junk drawer.
Took the 5-pack on a group hike through the Columbia Gorge. Everyone got one and we all agreed the trail felt more comfortable. One unit seemed to drain faster than the others, but customer service was quick to help. Great for outdoor groups.
I do outdoor yoga sessions in the park and this sits right next to my mat. It’s silent, portable, and keeps the pests away so my clients can actually relax in shavasana. The rechargeable feature is perfect for back-to-back classes.
Works well on our patio during evening dinners. We move it from the outdoor table to the porch rail depending on where we’re sitting. Would give it five stars if the carrying case was included, but the device itself is effective.
Living in this town, tick awareness is everything. I keep one in my car and clip it to my waist when walking the property. It’s become as essential as my sunscreen. The USB-C charging is fast and convenient.
Trail running at dawn used to mean getting eaten alive. This fits in my running belt and I don’t even notice it’s there. Since I started carrying it, my morning runs are actually peaceful.
Camped by the lake for a long weekend and the Slate Signal ran the entire time on a single charge. Kept the mosquitoes away from the picnic table. Docking one star because I’d like a slightly stronger clip for my backpack strap.
Bought the single unit to test before committing to a pack. Took it on three hikes and immediately ordered the 3-pack for my kids. They clip them to their daypacks for summer camp. No tick scares this season.
I’m a birdwatcher and sit still for hours in tall grass. This little device sits on my tripod and lets me focus on spotting warblers instead of worrying about what’s crawling on me. Rechargeable is a must for long field days.
Use this around the barn and while riding. It sits in my helmet bag or tack box and keeps the gnats down in the stalls. Works great, though I have to remember to charge it every few days with heavy use.
My husband and I take evening walks on the nature preserve boardwalk. We each carry a Slate Signal and finally enjoy the sunset without constant swatting. The portable design means we just grab them on the way out the door.
Backpacking at altitude means every ounce counts. This is lightweight enough that I don’t hesitate to bring it. Set it by the tent door and sleep better knowing it’s running. Battery life exceeded my expectations.
Golfing with this clipped to my bag has made the back nine much more pleasant. The fairways near the woods are usually brutal. It doesn’t create a magic bubble, but the difference is clear. Lost a star because it’s a bit bulky for pocket carry.
Photographing in desert scrub usually means ticks in the spring. I set the Slate Signal on my camera bag and work for hours without interruption. The matte finish doesn’t reflect sunlight into my lens either—nice touch.
Music festival camping usually means either bug bites or burning through disposable batteries. This rechargeable unit solved both problems. Ran it for three days at the campsite and charged it in the car between days.
Kept this on the picnic table during a family reunion at the park. The kids could play in the grass nearby without me hovering over them. Would love if future versions had a solar panel built in, but as is, it’s a keeper.