Ultra-thin and portable design - A3 light board with a thickness of approximately 4 mm for easy transport and comfortable use on any workspace. Infinitely dimmable, bright and consistent illumination - 37 LED beads provide steady illumination with a colour temperature of 12000 K. - Continuously adjustable brightness allows you to set the ideal light level for each task. USB powered for flexible setup - Powered via USB, connect to a computer USB port, a power bank, or a 5V USB adapter. No dedicated power outlet required. Eye protection and comfortable viewing - Soft LED light with no flashing to reduce eye strain. - Blue ray filter helps relieve eye fatigue during extended use. Practical applications - Tracing and drawing: ideal for tracing designs, illustration, comics, and animation frames with clear, even light. - Crafting and lettering: suitable for calligraphy, scrapbooking, stencils, and other craft projects that require precision tracing. - Design and pattern work: useful for architectural drawings, fashion patterns, and other design tasks that benefit from a bright, uniform backlight. Key attributes - Size: A3 light board - Light source: 37 LEDs - Colour temperature: 12000 K - Thickness: about 4 mm - Power: USB powered (computer USB port, power bank, or 5V USB adapter) - Eye protection: flicker-free soft LED with blue ray filter This product delivers portable, reliable backlighting with adjustable brightness, compatible power options, and features designed to reduce eye strain during long sessions, making it suitable for artists, designers, students, and hobbyists.