... color Best for advertise and promoteLED flourescent writing board with CE and ROHS certificate for advertising and promotion ... -240V, 50-60HZOutput power: DC12V, 1AHow to use?Use special fluorescence marker pen to write on the conductive surface, when the power ... different chromatic neon lamps, and could be wiped off easily with cloth. Applicationvarious shop, restaurant, supermarket, shopping mall, ...