<p><b> Specification</b></p > <p>Frame material: aluminum construction</p > <p>LED product life: 20,000 hours</p > <p>Working temperature: -40~60 Degree</p > <p>Working humidity: 0%RH</p > <p>Power: AC100-240V, DC12V-1A</p > <p><b> Package Includes</b></p > <p>1x Led Writing Board</p > <p>1x Stand</p > <p>1x Remote Control</p > <p>8x Markers</p > <p>1x USB Controller</p > <p>1x Microfiber Wiping Cloth</p > <p>1x Power Adapter</p >