Neonetics Neon Clocks feature a hand blown ring of real glass neon, generating 25 watts of light. The neon clocks have glass faces and feature multi-tiered art deco styles rims. The NHRA neon clock features a chrome rim with a single ring of white neon. The quartz movement clock operates on one AA battery (not included). The neon light is powered by an AC adapter (included) that plugs directly into a wall outlet. Fully licensed by the National Hot Rod Association through Neonetics Inc. Give your home the fabulous glow of real neon! FOR INDOOR USE ONLY