1.nixie tube 2.Color:reddish-orange 3.Flat package and light weight 4.How power requirement 5.Rohs compliant 10.0mm(4.2")5*7 dot matrix LED display nixie tube Specification:1) Dots Size: 1.9mm 3.0mm.3.7mm,5.0mm,10.0mm, according to requirements (various dimensions available)2) Color: red, green, yellow, blue, orange,rgb, opt 3) Characteristics: Long life-span, low voltage, energy saving, even ...