A High-Quality Retro Style Neon Clock Dimensions: 15.5" diameter x 4.5" deep. Molded resin housing with Chrome finish. Hand blown real glass neon ring. One bright neon on the inside to illuminate the clock face Quartz Clock movement with Sweep Second Technology (No Tick-Tock noise. Smooth, 100% Quiet). Protective glass lens with silk-screen printed numbers for easy reading. Classic pull-chain neon lights on/off switch. Neon lights powered by UL listed A/C adapter (included). High-Grade neon power supplies for long-lasting neon life. Clock requires one AA battery (not included).