... according to your inquired distance7) Wide viewing angle: 120 degrees8) Ultra brightness (>5000cd/m2)9) Viewing Distance: 10-500 meters10) ... Long life 100,000 hours, energy saving, good reliability, ultra brightness19) It can be single face, double faces, three ... can make single 8, two digits 8.8., three digits 8.88 , four digits 8.8.8.8.,five digits 88.888 or more digits 8.8.8.8.8.8.8.8. etc. with ...