F means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. F TP-Link KL130B, Pametna žarulja, LED, B22, 2500 K, 9000 K, 800 lm TP-Link KL130B. Tip: Pametna žarulja, Tip žarulje: LED, Vrsta priključka/grla: B22. Razred energetske učinkovitosti: F, Potrošnja energije u 1000 sati: 9 kWh, Ljestvica energetske učinkovitosti: A do G