... -18664939845/86--0755-28896661 Extensive use family, store, restaurant, office building, pubs, hotels, disco and kara OK, restaurants, cafes, clubs, window ... working environment temperature 75 ℃ ~ 40: - 20 ℃ Waterproof level: IP54 Shell material: aluminum light body, surface oxidation Packing data: 660 * 330 * 160mm ...