SAFE & BUILT TO LAST - Built to last with durable and long-life LEDs, our signs are low voltage (12V) and are UL, cUL, and CE certified to ensure your safety. ADDITIONAL PRODUCT INFORMATION - Designed and warrantied for indoor use only. Sign measures 24.9" W x 6.3" H x 1.5 D and comes with all accessories necessary to illuminate, including end caps and power supplies.