LED light box with LED moving message. Item No.: A001A Single side or double sides. Size: A0,A1,A2,A3,A4. Snap LED slim light ... box with LED moving message.Item No.: A001ASingle side.Size: A0,A1,A2 ... available, depend on the customer's request.Light source: SMD LED.LED moving message, contents can be changed easily, with operation sofeware.Low power ...