Brilliant LED Light. The fully dimmable LED bulb is rated for 40,000 hours of use, meaning it could last 15 years or more! It also reduces daily lighting expenses by 80% and replaces up to a 65 watt bulb. The full-range wireless speaker uses a high-performance, 20 watt, low-distortion digital amplifier to deliver energy efficient sound. The wide dispersion driver uses digital signal processing to optimize high- and low-frequency output for a full spectrum of sound. If you already own the IAV LightSpeaker System and want to expand your setup into multiple rooms, you can purchase individual IAV LightSpeaker units - up to 16 will work in a single system. The IAV LightSpeaker is also for the do-it-yourself crowd. When you own several IAV LightSpeaker's, you'll discover you have the easiest most unique and cost effective distributed audio system on the market. The system pays for itself in five years and you can take it with you if you move. If you have an Edison socket, you can add brilliant light and wireless sound to your kitchen, living room, master bath, garage. Add audio anywhere you need light, even a table lamp with the IAV LampKit - in mere minutes.