... indoorComparisons of using expense between LED Epoxy signs and traditional AD-Light(Fluorescent lamp, neon and etc)1, Power consumption of ... signs for 1square meter: 30W/m22, Power consumption of traditional Ad-light for square meter: 300W/m23, Maintenance fee for traditional ... Ad-light: 300RMB/month4, Hours of usage: 150hrs(suppose: 5hrs per ...