The A3 light box is eye-protected, portable, durable stencil board with 3 adjustable brightness. You can adjust the brightness by simply pressing the switch until you get the desired brightness, which increases the accuracy of your drawing. Features - Color: White. - Material: Acrylic. - Size: About 46x35x1cm/18.11x13.78x0.39 inch. - Voltage: 5V. - Color temperature: 8900K. - Power: 2.5W. - Thickness: 5.5mm. - Interface: USB/DC. - With eye-protected light, helps to prevent eye strain, high transmittance and bright for daily use. - 3 brightness dimmable, perfect for adjusting the light as you wish. Turn on/off and control the brightness easily by a slight touch. - Ultra-thin and portable, high evenness of light. - Perfect A3 stencil board for stenciling, 2D animation, calligraphy, embossing, scrapbooking, tattoo transferring, sketching, drawing, sewing projects, stained glass, quilting, etc. - A nice drawing gift for your friend and family members. Packing list: 1 x A3 stencil board 1 x USB cable