Lightalk is a compact message light that lights up an image. Scan an image and swing the light, your message will appear in the air by this graffiti machine using LED technology. Your message stands out and catches eyes in the crowd at concerts or parties. Draw an image on a white paper within the area of the scanner. Each line has to be wider than 5mm. A white board and a black marker work too. Hold the scan button down and slowly move it along the image. Swing Lightalk, the image will appear in the air.