Due to the large size of A2, item doesn’t stay straight on supports provided with them. We will recommend hanging them on the wall. A1, A2, A3, A4. Creative new design backlit poster light box which easy to replace pictures from side. Ultra-thin poster frame light panel with aluminium frame. Super-clear Semi-tempered glass with alumium frame 50k hours light box. Restaurant or showroom advertising light box with easy installation and picture-replacable design. A1/A2/A3/A4 standard sizes latest design LED board panel light box. Weak electric 12/24V global standard light box. Kindly Reminder: For safety please keep children away from our product when is electrified. In the case of purchasing multiple light boxes. If you need advertising posters, we can print them to you. 12V, 1.5A, 18W. 14V, 0.5A, 6W.