1. Effortless Poster Change The lightweight design of our LED display allows for quick and easy updates to your advertisements. Simply pull out the old poster and it with a one. This illuminated picture frame ensures your visual communication stays fresh, relevant, and engaging. 2. Adjustable Brightness The poster lightbox features an even light guide panel and builtin LED strip to ensure uniform and optimized illumination, making your images glow edgetoedge. Press and hold the touch switch to adjust brightness, tailoring it to suit different environments. 3. Stylish, UltraThin Design Our A4 lightbox boasts an ultrathin profile, adding a modern touch to any space. The sleek black frame enhances aesthetics, while the backlit menu board is easy to install and portable, making it ideal for dynamic advertising displays. for use as a menu board or promotional display in restaurants. 4. DualSided Rechargeable Lightbox The product can be used either rechargeably or plugged in. The 1000mAh lithium battery offers an exceptionally long runtime and can also be charged via the TypeC interface. It supports simultaneous charging and usage, and wireless operation is possible when fully charged.