【Magnetic Pen Clip & Precise Ruler】By Magnetic pencil holder, you can hold paper & diamond painting canvas easily on the light pad to prevent moving. Also designed with double scale divisions (Centimeter and Inch) rulers that are available for precise calibration and pinpointing.【Slim & Easy Carrying】The dimension of this light pad is 15.74 x 11.81 x 0.24 inches (40 x 30 x 0.6 cm), and The Visual Working Area are 14.48 x 10.55 inches (36.8 x 26.8cm). Much Larger than A4 size and a litter smaller than A3, perfect for larger DIY diamond art painting.【Dimmable & Eyesight-protected】Equip with the touch sensor switch, this light board was designed with 3 different levels, from dark to bright. You can turn on/off and brightness control easily. Due to application of a professional diffuser film and dual hidden LED light bars, the light is mild, natural and evenly produced, helping to prevent eye fatigue.【USB Powered with Type-C Charging Port】The durable Tracing Light Box comes with 1pc type-C port to reinforce connections with power bank or laptop that supplies power to the device, with a lifespan up to 50,000 hours.【Wide Application】Widely used for Diamond Painting, Weeding Vinyl, Sketching/Drawing, 2D Animation, Sewing Projects, Calligraphy, Stained Glass, Embossing, Quilting, Scrapbooking, Enhanced Visualization, Tattoo Transferring, Office Working, Children Teaching etc. Product Description Why Choose KACOLA LED Light Pad？ KACOLA Energy-efficient LED light pad with a lifespan up to 50,000 hours, provide a great platform for you to do some creative activities. Featuring a special acrylic surface, which is stronger than glass that perfectly resistant to stress and be wear-resisting. The light is safe for your eyes. Enjoy creating anytime and anywhere. Stick it Anywhere on Light Board Surface By Magnetic holder, you can hold paper & diamond painting canvas on the light board easily, also efficiently complete other projects without placing extra clips any more. Easy Connection for Power Supply The durable light box for tracing comes with 1pc type-C port to reinforce connections with power bank or laptop that supplies power to the device.Designed with double scale divisions (Centimeter and Inch) rulers that are available for precise calibration and pinpointing.All the edges of light pad are treated with rounded corners for additional security, which makes it safe for kids. Our Specialty We has set up R&D department with a series of advanced equipment. Our mass product line can manufacture high quality product. Package Included: 1 x A3s/B4 led light pad 1 x Type-C Cable 1 x Magnetic Clip 1 x User Manual 1 x Pen Specification Model： A3s=B4 Product Size: L15.74” x W11.81” x H0.24” Thickness： 0.24in Product Weight: 1.76lbs Visual Work Area: 14.48” x 10.55” Brightness: 4,500lux Material: Acrylic+ABS Input Voltage： 5V/DC Color Temperature: 10000-12000K Backlight Life: >50000h Power Supply: USB