Zodiac "Flathead" Neon Clock 15"
These 15" (38cm) wall clocks feature a battery operated piezoelectric clockwork and neon style circumference lighting for the 11 3/4" (30cm) dial with your favorite Harley engine. Comes complete with power adapter for the neon light. Clock works on a standard AA size battery (also known as IEC60086 type R6 or ANSO C18 type 15) that is widely available in DIY stores, supermarkets and chemists.