The most important parameters socket (bulb holder) GU10 light color neutral white replacement of incandescent bulb 81 W power 7 W luminous flux 580 lm Other parameters dimensions 54 × 50 × 50 mm series PREMIUM dimmable no shape MR16 color temperature 4 000 K voltage 230 V~/50 Hz beam angle 36° color rendering index (CRI) Ra >80 energy efficiency class (from 1.9.2021) F lifetime 30 000 hours technology LED number of chips not stated type of chips SMD power factor 0.54 number of switching cycles 25 000 luminous efficacy 97 lm/W warranty period not stated packaging 1 pc, small box