Size: custom size or standard such as A1, A2, A3, and A4 Power supply: 110V/220V AC, 12V DC EL, CE approved Effect: color flashing, flow Can add with acrylic or metal frame Picture: silkscreen printing and inkjet printing Life time: can last around 10,000 hours Use at night club, discos, drinking bar, cafe, business center, supermarket, bank, chain operation store, restaurant, snack hall, airport, shop window display, and more