MSRM Led Light Pad A4 Size 17.7 Inch Tracing Light Box/Light Table Super Bright with Adjustable Light Intensity for Tattoo, Animation, Sketching, Designing, Stenciling and X-ray(A4) 1. USB CONNECTED- Power supply by USB cable , convenience to access to any USB port like computer Wall outlet ,USB adapter and power bank; 2. PORTABLE & ULTRA SLIM- The thickness is only 5.5mm which makes it portable. This new version is much lighter than the old one,better for carrying; 3. ADJUSTABLE BRIGHTNESS - Gradual light changing, simply press the touch switch for several second until the brightness you want (From Bright to Dark); 4. Ideal for Stenciling, 2D Animation, Calligraphy, Embossing, Scrapbooking, Tattoo Transferring, Sketching & Drawing, Sewing projects, Stained Glass, Quilting, X-ray etc; 5. Perfect for long hour working; High quality, energy effective LED lamps can last for up to 50,000 hours of use; One year warranty.