... cost10 No RF interference11 Maintenance free, easy installation12 Viewing angle: 5, 10, 15, 20, 30, 40, 50, 70, 100, ... 3. Digital display and DOT matrix display 4. SMD LED 5. LED backlight 6. Infrared IR & photodiode Our solemn promises: 1. Competitive ... (ISO 9001 & ISO 14000 certified) 4. High volume capability 5. Responsive customer & technical support 6. Wide selections of LED productsApplication ...