Two Rings Neon Clock 1) CE&UL certified adaptor 2) Customer logo ... customers like Coca Cola,Pepsi etc Specifications of Two Neon Rings Neon Clock 1. Voltage: input 110~130V or 220~240V ... ”, 15”, 17”, 19” 3. Single neon ring or double neon rings. 4. Any color neon tubes around: white, blue, yellow, red ...