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 and 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, depending on your personal preference. 3. CRI 80 means colors remain true and natural. 4. Save up to 89 percent energy by replacing 50 Watt incandescent bulb with 5 Watt LED bulb. Same brightness with lower energy consumption. 5. Long working life span, up to 30,000 hours, providing a reliable lighting solution. 6. Standard MR11 pin base. Compatible with MR11 base fixtures. Free of buzz, flickering, UV, and mercury. 7. Suitable for homes, offices, hotels, stores, restaurants, galleries, museums, and other applications. Specifications: Socket: MR11 or GU4 (4mm) Pin Base Power: 5W (Equivalent to 50W Halogen Bulb) 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