GY E27 LED Bulb 8W (100W Eq) Energy Class B - 1521 LumensStop Paying for Overpriced Electricity & Overhyped, Dim Bulbs. With European energy prices hovering at historic highs, leaving your lights on shouldn't feel like a financial penalty. Worse yet, the market is flooded with cheap Class F LED bulbs that falsely promise 100W output but deliver dim, disappointing light before burning out in months. You deserve honest lumens, uncompromised longevity, and immediate relief on your energy bill. GY Ultra (Class