LEGIDATECH's AD Series LED Advertising Screen is a durable, energy-efficient outdoor LED display that is ideal for commercial plazas and highways. It uses energy-saving common cathode technology, which reduces power consumption by more than 20% compared to traditional systems, and has a refresh rate of up to 3840Hz, IP65 waterproof rating and corrosion-resistant aluminum modules, which can provide clear and vivid visuals in all weather conditions. https://ledscreenfactory.com/l....ed-advertising-scree