China LED indicator lamp 1.any size and shape 2.save power,safty 3.low cost, colourful 4.light weight, any design LED electronic display indicator:1 high brightness LEDs in many colours and styles2 long life with LED more than 100,000 hours3 excellent visibility, even in daytime.4 easy installation and maintanence,5 safe to clean and touch6 any size of the board.7 high quality, low cost. any ...