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 or den. Plugs into standard 110 volt wall socket. Brass pull chain for on/off operation. UL Approved. Made in the USA.