BackTalk Sign
- 💬 Say anything on your back window
- 📱 Type it in the free app and it scrolls instantly
- 🏈 Game-day trash talk, birthday shout-outs, road-rage therapy
- 🔌 USB-powered, sticks on in 2 minutes
- 🚚 Free Worldwide Shipping
How it works
Plug it into any car USB port (or a 12V USB adapter), stick it inside your rear window, and pair it with the free app over Bluetooth. Type your message and it scrolls. Change it any time: text, emojis, pixel drawings, animations or a clock. Brightness and speed are adjustable, and there's a remote too.
Which size?
- Small, 6.7 × 2.8 in: about 4 characters at once. Dash, desk or small cars.
- Medium, 14.6 × 3.5 in: about 8 characters. Sedans and hatchbacks.
- Large, 23.4 × 4.7 in: about 12 characters. Trucks and SUVs, the one in our videos.
Longer messages scroll, so any size can show any message.
What's in the box
- Flexible LED panel (full-colour, waterproof coating)
- USB power cable with inline switch (about 15 ft)
- Remote control (battery not included)
- Double-sided 3M mounting tape
- Quick-start guide
Before you drive
Rules on rear-window displays vary by state. Check your local laws, keep it to your rear window, and never set messages while driving.
Shipping and returns
Free Worldwide Shipping. Orders are processed within 1–3 business days, then delivery usually takes 7–14 business days.
Something wrong? Message us with your order number and a photo and we'll sort it.
Type it. It scrolls.
No wiring. Plugs into USB, sticks to the glass.
Open the app
Pair your sign over Bluetooth in seconds.
Type your message
Text, emojis, animations, whatever you've got.
It scrolls
Bright enough to read from the car behind, day or night.
The car behind you loses it
What drivers say
“This thing is hilarious 😂 My favourite part is being able to switch up the message depending on the situation. Definitely gets a few laughs from people and makes sitting in traffic a lot less boring.”
Jake M. ✓ Verified buyer
“Okay, this is actually such a cool car accessory. The colours are so bright and it makes my car feel way more personal. My friends all wanted one as soon as they saw it 😂”
Madison R. ✓ Verified buyer
“Wanted something different for my car instead of the usual boring accessories. The LED display definitely stands out, and being able to change what it shows makes it even better. Such a fun little addition.”
Tyler B. ✓ Verified buyer
Questions, answered
Does it work in any car?
Yes, if your car has a USB port or a 12V socket (use a USB adapter). It sticks inside the rear window. Pick the size that fits your glass: Large for trucks and SUVs, Medium for sedans.
Can people read it from behind?
Yes. The LEDs are bright and brightness is adjustable, so it reads day and night. Messages scroll, so longer ones still fit.
How do I change the message?
In the free app on your phone over Bluetooth. Type anything, add emojis, animations or drawings, and save your favourites. There's also a remote.
Is it legal?
Rules on rear-window displays vary by state. Check your local laws before using it on the road, and never change messages while driving.
How long does shipping take?
Free Worldwide Shipping. Orders are processed in 1–3 business days, then delivery usually takes 7–14 business days.
Does it make a good gift?
It's the perfect gift for the road-rager, the football dad or the guy who has everything. Grab two and save 15%.
Early Black Friday
Up to 50% off
Stack it: extra 15% off 2 · 25% off 3 · free shipping