【Simple Operation】The upgraded APP, suitable for American operating habits. “LedArt” app for mobile phone works with ANDROID and IPHONE. Computer software is compatible with the MS Windows operating system (Not suitable for Apple Mac-book and i Mac computers and laptops). Sending programs via WIFI or USB flash drive. 【Certifications and Details Upgraded】The LED display is CE, FCC, and UKCA certified. The power supply is FCC, UL, ETL, CE, and CCC certified， Wide-voltage design ensures stable performance under power fluctuations and extends lifespan by over 50%. The power cord is twice as thick, with an integrated 3-pin grounded plug. The IP65 switch is waterproof, safe, and durable. 【Weather-Resistant Construction】LED signs 40"x14" adopts the Latest SMD technology Crafted with a protective nano-coating; strong aluminium case; Programmable sign is IP65 waterproof, dustproof, and adaptable to various weather conditions, for OUTDOOR and INDOOR use. 【Endless Display Options】You can set up text, date and time, countdown, clock, animated text, and choose from hundreds of combinations - static or scrolling text, adjustable scrolling speed, font size, brightness, and even timer switch (cannot display video, pictures). Perfectly display various effects. Switch seamlessly between 26 languages, including English, Spanish, French, German, and more. 【After-sales service】Provide 2-year product protection.A professional after-sales customer team, solves product related issues within 24 hours. Included Paper manual and USB flash drive(Computer software, video instructions, manual documents, etc) Make your message impossible to miss with this vibrant LED display sign board. Perfect for businesses, retail stores, or any location needing dynamic messaging, this programmable digital panel features eye-catching multi-color text capabilities. The bright LED lights ensure excellent visibility both day and night, while the versatile programming options let you customize your message, timing, and visual effects. The sign showcases text in stunning rainbow colors, from cool blues to warm reds and everything in between, creating an attention-grabbing display that stands out. Easy to program and update, this digital sign board allows you to change your message whenever needed, making it ideal for announcing sales, special events, or important information. The durable construction and reliable LED technology provide long-lasting performance for your messaging needs. Whether you're looking to attract customers, share information, or create an engaging visual display, this LED sign board delivers professional-quality results with striking visual impact.