... , A1, A2, A3, A4♣ Poster: easy to change the posters, only need to open the advertising screws.♣ Voltage: 110-240v.♣ ... environment: low power comsumption, 60% off.♣ Characteristic: ultrathin, easy to install, nice look, energy saving, environment protection , display the LOGO ... (light on 2/4 sides)♣ Specification: customized according to clients'requirements♣ Technics of LGP: silk-screen, engraving♣ ...