1.advertising slim led light box 2.picture changeable LED Light-box 3.customized brightness is ok 4.RoHS&CE 5.advertising 2012 hot selling LED adverting LED poster LED display box Brief Description:1. material: aluminium frame, LED light, light guiding plate size: Customized sizes are welcome2. advantage: ultra thin, snapper frame, easy to change picture by yourself3. function: for promotion and ...