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 casing, 5/32" single strength red lined glass, and genuine 1/2" diameter neon tubes.  Plugs into standard 110 volt wall socket.  Brass pull chain for on/off operation.  UL Approved.  Made in the USA.