... 2. Life span: more than 100,000 hours( about 10-15years) 3.Material: LED lamp 7*23dots, 315* ... LED lamp 7*23dots,*Size: 315*13*160mm*Power: DC12V±10%*Display color: blue, red, green, white, amber*Operating electricity ... black*Life span: more than 100,000 hours (about 10 - 15 years)*Protection degree: IP54, indoor use onlyApplication Store ... . outdoor using 7x23dots blue color led frame license plate