A High-Quality Retro Style Neon Clock. Dimensions: 16.5 diameter x 3.5” deep. Molded resin housing with high polished. Two hand blown real glass neon ring. High-Grade neon power supplies for long-lasting neon life. High-Precision Quartz Clock with Sweep 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). Clock requires one AA battery (not included).