Features: Dimensions: 12 W x 16 H Frame material: aluminum construction Imported acrylic panel and black organic baseboard 7 color of RGB 28 flashing modes Light source: 7 color circle and single color adjusted LED lifespan: 100 000 hours Working temperature: -40 to 60 Degree C Working humidity: <90%RH Fits for restaurant menu boards daily specials promotions special events discount sales new item releases or price lists also can be for party using You don t worry about ur safety when using our product our writing board is high quality with CE certificate and RoHS certificate. 1 washable eraser cloth for easy to wipe 1 metal chain for hanging up for easily instruction 1 remote control for choosing 28 modes up to 32 feet faraway Single color steady shining 7 colors cycle flashing shining speed control/lighting control/flow/special/auto/stop Package Includes: 1x Led Writing Board 2x Fluorescent Pens (random color can not be chosen) 1x Remote Control 1x USB Controler 1x Eraser Cloth 1x Metal Chain 1x Power Adaptor