... mode 3,CE,RoHS 4,full RGB color led illuminated menu board for restaurant 1,ApplicationLED Illuminated ... walls. 2,Products features 1>, Using the latest led technology,your message will light up like neon ,it ... -time using and so on. Brand NameJD-DX series LED Illuminated writing boardProduct Size30*50cm,40*60cm, 50* ... to write on the conductive surface of the led writing board.2.Use the mode button to ...