neon Clock 1) CE&UL certified adaptor 2) Customer logo/design accepted 3) Service for customers like Coca Cola,Pepsi etc neon clock1. Voltage: ... 12”, 15”, 17”, 19”3. Single neon ring or double neon rings.4. Any color neon tubes around: white, blue, yellow, red ... electroplate chrome frame or plastic frame.6. Neon tube powered by adaptor (included).7. Requires one AA battery (not included) neon clock