Leadleds Bluetooth Digital Signage Scrolling Multi Color Message LED Display Board for Your Business Increasing Aluminum Frame Outline Size:13.4" x 3.7 x 0.6-in (340 x 95 x 15mm) Working Temperature: -37°C ~ +50°C

Working Temperature: -37°C ~ +50°C (-35°F ~ 122°F)

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Fast program by LAN or WiFi

3) Larger viewing angle: has a larger viewing angle and is easy to control the loss of light refraction

The density of pixels: 10000dots/㎡

Leadleds Bluetooth Digital Signage Scrolling Multi Color Message LED Display Board for Your Business Increasing Aluminum Frame Outline Size:13.4" x 3.7 x 0.6-in (340 x 95 x 15mm) Working Temperature: -37°C ~ +50°CThe Scrolling LED Sign Board Ideal Ads Solution in Coffee, Salon, Exhibition, and Store Easy & Fast Program Your Custom Message! Turn on Bluetooth, connect the LED signs Bluetooth, program, and send your message Scrolling Message Sign! Programmable message by iOS Phone and Android Phone, Free App, download from App Store and Google Play, Friendly and easy to use Support multi language text, time, and GIF JPG BMP PNG formats, no grayscale images 5V