ENERGY SAVING HIGH OUTPUT: gu10 c 120v 50W provides 500 lumens full brightness at warm white 2700k. Voltage: 110V, 120V, 130V. Safe to Use:No lead or mercury,Suitable for office, dance hall, bar, exhibition, Art galleries and Entertainment lighting,home decor, etc. GU10 Dimmable : Control the brightness of your track lights and spotlights with the ability to reduce from 100-10% lighting output. Set your gu10 halogen 25w bulbs according to your mood and take delight in a pleasant atmosphere every time Safe for Your Family : These mr16 gu10 halogen light bulbs are no lead or mercury. Dimmable. Outstanding heat dissipation light bulbs are ideal for used for Accent Lighting, Track Lighting in Homes, Offices, Art Gallery, Museum, Restaurant, Retail Shop, etc. 90-DAY SELLER WARRANTY: Lifespan of 2,000 Hours, 1.8 Years with 3 Hour Daily Use. Seller 90-Day Warranty. CE and RoHS compliant 1