Size: A0, A1, A2, A3, A4, A5, or custom Power supply: 110 to 220V AC/12V DC, RoHS, UL, and CE approved Effect: color flashing, vivid, and sharp effect for advertising and promotion Acrylic or metal frame can be added Picture: silk screen printing and inkjet printing Lifespan: can last around 12, 000 hours Application: night club, discos, drinking bar, cafe, business center, supermarket, bank, chain operation store, restaurant, snack hall, airport, shop window display, and more.