TYPE: HDL-OPEN-O1 SIZE: 300mmX600mmX25mm(12"X24"X1") WEIGHT: 1. 8 KG SUPPLY POWER: 12 VDC comes with transformer to use 110VAC-240VAC, MAX POWER: 10 W WORK MODEL: 1. On 2. All flash 3. "open" still and "wave" chasing MATERIAL: Font and back black arylic plastic LED QUANTITY: Red: 173pcs green: 17pcs yellow: 21pcs blue: 18pcs WARRANTY LED: 1 year warranty with an expected lifetime of 50000 hours ATTACHMENT: 1000mm white metal chain, transformer. FEATURES: 1. Best life time; 2. Save 80%-95% energy; 3. Attract customers with different sequence; 4. Made with strong materials; 5. Very easy to install; 6. Easy to wash; 7. No noise.