Ready for these light bulbs to light up your life - or at least your living room? With retrofit pin base, 4 watts, and 345 lumens, you can quickly brighten up your home. Illuminate your house for longer, as these LED bulbs can omit a warm light for up to 15,000 hours. Perfect for making you feel comfy and cosy. Let’s shine a light on the A+ energy rating. They’re made from the latest LED tech and components. So they’re much more efficient than equivalent halogen or incandescent products. A nice way to save a penny or two on your bills. Pack of 4. 4 watts. GU10 fitting. Energy efficient. 10 yrs bulb life. Colour rendering index 80 - this is a scale from 0 to 100% indicating how accurate a light source is at rendering colour. The higher the better. Colour temperature 2700K. 0.4 pf. Rated luminous flux 345 lumens. This is a measure of light and indicates the power of the light emitted. Rated lamp life 15000hrs. Number of switches 40000. Smart lighting information:Suitable for indoor use.