Features: 1. MR11 or GU4 base, Warm White, Cool White LED Bulb, AC or DC12V (Not Dimmable), 5 Watt COB LED, 400 Lumens with CE RoHS Certificate, 60 Degrees Beam Angle. 2. Full Glass Cover Reflector, perfect fit for track lights and spotlights for living room, bathroom, bedrooms, and hallways. 3. CRI (color rendering value) means colors remain true and natural. 4. Energy efficient design helps reduce energy consumption. 5. Long Working Life Span, Up to 30,000 Hours of lifespan. 6. Standard MR16 pin base. Compatible with MR16 base fixtures. Free of buzz, flickering, UV, and mercury. 7. Suitable for Homes, offices, hotels, stores, restaurants, galleries, museums, and more. Specifications: Socket: MR11 or GU4 (4mm) Pin Base Power: 5W (50W Halogen Bulb Equivalent) Input Voltage: AC or DC12V (Not Dimmable) Brightness: 400 Lumens Beam Angle: 60 Degrees Light Source: COB LED Color Temperature: 2700K-3000K Warm White, 6000K-6500K Cool White UV free and mercury free CRI 80+ Certifications: CE, RoHS Certified Package includes: 10X MR11 LED Bulbs