LED Channel Letter Sign: 1.High bright 2.Over 100,000 hours life span 3.Up to 90% energy saving 4.Environmental-protection Frontlit LED Channel Letter Sign have the advantage as following:1.CE ,RoHS and UL certificated2.Super high brightness,Light uniformity,over 50,000 hours guarantee3.Energy-saving, environmental-protection and colorful-visible day and night4.Laser cut acrylic on the face,304# ...