Features: Emit bean light, average aperture, and no speckle No UV, no flickering and good for eyes Good quality and good heat dissipation High energy efficiency with low power consumption Replaces 15W the traditional incandescent bulb Green and eco-friendly lighting source without mercury, UV and infrared light CE certified RoHS compliant Technical specifications: Size: 17 x 16 x 8cm (2 pieces) Lighting source: high-powered LEDs LED quantity: 4 pieces x 1W Weight: 120g Power consumption: 5.5W Voltage: 230 to 120V AC Color temperature: Warm white: 2,600 to 4,500K White: 5,000 to 8,000K Luminous flux: 280 to 320lm Beam angle: 180°