Feature:1. Portable and Ultrathin: The thickness of this A3 light board is only about 4mm or 0.2in, more convenient to use and carry.2. Stepless Dimming: This light pad tracer is steplessly dimmable, and equipped with 37 LED beads with 12000K color temperature.3. USB Powered: This light pad tracer can be powered via USB cable and USB interface on computer, power bank or 5V USB adapter.4. Eyes Protection: This tracing light box adopts soft LED light source without flashing. Blue ray filter can effectively relieve eye fatigue after long time working.5. Multi Purpose: The tracing light box is ideal for stenciling, 2D animation, calligraphy, embossing, scrapbooking, sketching, drawing, streaming, sewing projects, etc.Specification:Item Type: Light PadMaterial: AcrylicLight Source: LED, 37 BeadsPower Supply: Type C CableVoltage :5V or 1ARated Power: 4.25WBead Type: 2835Color Temperature: 12000KDimming Mode: SteplessProduct Size: Approx. 402 x 335 x 4mm or 15.8 x 13.2 x 0.2in ( Manual Measurement, Slight Error May Exist ).Package List:1 xLight Pad2 x Clip1 x Power Cord1 x User Manual