... A44. Poster: easy to change the posters, only need to open snape frame will be ok5. Voltage: 110-240v.6. Pro ... connect on 45.angle, single side open on four flips,and double sides can open for 2 sidesSingle side frame Doule side frame ... , etc.15. Applications: Widely used in business center, indoor decoration,chain stores,corporate signs, business center, supermarket,airport,railway stations, subway, ...