HUION A3 8mm ultra-thin portable LED light pad with 21" active area and adjustable illumination, can be used for craft projects, fabric design, transferring sketches or drawings, lettering, cartoon tracing, X-ray film viewing, etc. 

Features: 
Portable LED light pad with 8mm thickness and 21" active area, easily fits an A3 sheet. 
Adopts high-quality acrylic panel, high luminousness, pressure-resistant and wear-resistant. 
Eye-protective and energy saving LED light, flicker free and uniform light provided. 
Adjustable brightness ensures perfect illuminated working surface for better tracing performance. 
Convenient touch control and smart brightness memorization allows you to adjust the light freely and effectively. 
Gradually changing light intensity gives you a better way to find your desired brightness. 
Comes with a power adapter for long time working, will not be interrupted by running out of power.