4W LED Golf Ball Bulb E14 3000KLED E14 Small Edison Screw Golf Ball P45 Bulb, 4W (equivalent to 25W), Warm White [Energy Class A+]With a life of 15,000 hours, the bulb will last over 13 years (based on 3 hours of use each day)Provides 320 lumens of light immediately, with no waiting time to warm up to full brightnessWith a colour temperature of 3000 Kelvin, the bulb provides a warm white light, creating a comfortable atmosphere in any roomUsing 4 watts of energy and just £0.84 per year to operate, this bulb saves up to 86% per year and £72.46 over its lifetime compared to its incandescent equivalent (based on 3 hours/day, 0.14 £/kWh; may vary depending on rates and use)High colour rendering (CRI > 80) provides vivid and natural colour; beam angle of 270 degrees for a wide flood light