... Technics of LGP: silk-screen, engraving4. Power Supply:Digital electronic ballast and imported luminaries are used (lifespan more than 30,000 ... slim,nice appearance, thickness only 28mm, easy to install and open.7. Easy to change pictures, light weight, easy ... stations,railways,ferry piers, product exhibitions, interior decorations and price lists.11.Pressure: 110V-240V12.Certificate: CE, CCC, etc.13 ...