Our 20" JUMBO College Neon Clocks are big and bold enough to catch anyone's attention! These superior quality neon clocks feaure a powder coated external metal (not plastic) casing, 5/32" single strength red lined glass, and genuine 1/2" diameter neon tubes. These clocks are the kind you find in your favorite establishment and stylish enough for your home game room, bar or den. Plugs into standard 110 volt wall socket. Brass pull chain for on/off operation. UL Approved. Made in the USA.