Measure the glass of your rear window from side to side. Medium (60 cm) fits most cars. Large (90 cm) suits big SUVs, vans and trucks. Small (35 cm) is great for small hatchbacks or side windows.

It runs on 5V USB. Just plug it into your car's USB port, a 12V USB adapter or a power bank.

Use the free app on your phone over Bluetooth, or the remote control included in the box.

Yes! Type any text in the app, like "Merry Christmas" or your family name, and it scrolls across the panel.

The panel covers a strip of the rear window. Use your side mirrors as usual, and don't place it where it blocks your rear view.

It looks brightest at dusk and at night. You can adjust the brightness anytime in the app.

Yes! Switch to hearts, emojis, team colours or your own text and enjoy it all year round.

Shipping is free. Orders are processed in 1–3 business days and delivery usually takes 7–15 business days, with tracking. Order early for Christmas!

Rules for lit displays vary by country and state, so please check your local road rules. For use where permitted, such as when parked or at shows and events.

We've got you covered. Contact us within 30 days with your order number and a photo or video of the issue, and we'll send a replacement or a refund.