GRV E17 72-4014 SMD High Power LED 4W light Silicone Crystal SCR Dimmable bulb 110V 120V 30watt incandescent lamp Replacement Warm White Pack of 10 Convenient installation. Easy plug and play. Input AC 110V 120V. Enviroment-friendly products, safe and reliable. Non-toxic, non-radiation and low-carbon. Light weight and stable performance. High quality and super bright LED bulbs.The light adjustable with SCR post-cut dimmers. Extremely long service life. More than 30,000 hours of theoretical service life. Silicone encapsulation Moisture-proof. Uses: For most applications of E17 base such as, Cabinet lights, Spotlight, Under-cabinet Lights, Crystal Light, Home and Garden lighting, etc.