1. Eco-friendly 2.Energy-saving Flip open frame LED light box, LED signageAluminum frame, optical panel light, LED strip, or T4/T5 ... fluorescent lampSnap frame/overall open design, easy to change the photographExtreme thin: 1 ... aging of AD printVoltage: 12, 24, 110, and 220VAluminum alloy frame color: silver, champagne, stainless steel colorMaximum size: 3 x 2mMinimum ...