Lot of 10 PCS Dimmable 120V 4W MR16 LED Bulbs - 3200K Warm White LED Spotlights - 40Watt Equivalent - 330 Lumen 60 Degree Beam Angle for Landscape, Recessed, Track lighting Set of 10 pieces. Super Energy-saving as replacement for 40 watt light bulbs while last five times longer These LED bulbs generate less heat than traditional light bulbs MR16 standard shape: Bi-pin base (GU5.3), directLY replace traditional light bulb Long lifespan: perfect for 24/7 constant use, application including accent lighting; art galleries; hotels, museums, offices, restaurants, retail and general lighting MoonFlor offers 6 months free replacement,Please contact the seller for defective orders.