Can you turn this off from the app or do you have to unplug it?

The App is only used for input or edit the text displayed and once the text has sent to the unit it will be stored for displaying when power up without the App . The screen will turn off when disconnected from power source .

Does the app for this support uploading pictures? I’ve noticed some of these do and some don’t.

No you can not upload pictures. It has a bunch of static and animated pictures. You can upload text to sign. Pretty small sign but I use it mainly for home office, for zoom meetings and recording to let others know not to disturb me.

Is there a list of images that can be programmed ? Is there a list of all the pre-installed phrases and languages ?

No list but there are a lot of programmed graphics, the phrases none but you type in tge phrases you want and color of each letter, languages you can use Google translate to change the language or whatever language your using on your phone.

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Programmable LED Sign High Bright Scrolling Signs USB 5V LED Matrix Panel Smart APP Control DIY Text Patterns Digital Sign for Car Window 15x4"

Product ID: 499130923

Details

Brand
HOIOS
Color
Black
Material
Silicone
Recommended Uses For Product
Car
Theme
Car Food

📱Smart APP control & DIY

🔆Ultra-bright RGB LEDs

🔌5V USB-powered, portable

฿4609

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

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Description

🚗 Light up your ride and your brand with smart, scrolling brilliance!

VIVID RGB BRILLIANCE - Eye-catching full-color LED matrix ensures your message shines day and night.
INSTANT SMART CONTROL - Sync and customize your scrolling text, patterns, and images in seconds via the intuitive CoolLED1248 app.
SLEEK FLEXIBLE DESIGN - Ultra-thin, lightweight, and waterproof silicone panel bends to fit any surface, perfect for car windows or storefronts.
PLUG PLAY PORTABILITY - Powered by 5V USB with an extra-long 172-inch cable for effortless mobility and power bank compatibility.
VERSATILE EASY INSTALLATION - Includes 3M tape for quick mounting on glass, vehicles, or any smooth surface—boost your brand anywhere.

The HOIOS Programmable LED Sign is a 15x4" ultra-thin, waterproof RGB LED matrix panel designed for dynamic, customizable scrolling messages. Powered by 5V USB with a long cable, it offers seamless app control for text, patterns, and images. Lightweight and flexible, it installs easily on car windows or storefronts, making it a versatile digital signage solution for professionals seeking to stand out and connect instantly.

Specifications

ASIN	B0BGK3PY16
Best Sellers Rank	#180,912 in Office Products ( See Top 100 in Office Products ) #3,749 in Business & Store Signs
Brand Name	HOIOS
Color	Black
Customer Reviews	4.2 4.2 out of 5 stars (234)
Included Components	USB cable, 3M tape
Item Dimensions L x W	15"L x 4"W
Item Shape	Rectangular
Item Thickness	0.33 centimeters
Item Weight	0.47 kg
Light Type	LED
Manufacturer	HOIOS
Material	Silicone
Model Number	0001
Mounting Type	Wall Mount
Number of Items	1
Number of Packs	1
Number of Pieces	1
Orientation	Portrait
Part Number	0001
Pre Printed Text	Letter
Recommended Uses For Product	Car
Size	15x4"
Style	Modern
Theme	Car, Food
UPC	700410059000
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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฿4609

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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