25.5"W x 11"H x 2"D. Flashing OPEN sign uses less than 25W. Partial double stroke red LEDs with a red LED border. Maintenance free. Saves energy: only 10 - 25 watts, depending on size. Expected life of up to 100,000 hours. Flashing or continuous "on" capability. Just hang & plug in. Indoor use only. UL / CUL approved. Environmentally safe. This Powersmart open sign is an efficient and effective promotional tool.