Electrical data Nominal wattage 20.00 W / 35 W Nominal voltage 12 V Rated wattage 20.00 W / 35 W Photometrical data Nominal useful luminous flux 90° 205 lm - 430 lm Luminous intensity [PIM] 580 cd Rated color temperature 2800 K Light color (designation) Warm White Color rendering index Ra 100 Color temperature 2800 K Luminous flux 205 lm - 430 lm Color rendering index Ra 100 Rated useful luminous flux 90° 205 lm - 430 lm Rated peak intensity 580 cd Light technical data Beam angle 36 ° Nominal beam angle 36 ° Starting time 0.0 s Warm-up time (60 %) 0.00 s Rated beam angle (half peak value) 36.00 ° Dimensions & weight Diameter 35.0 mm Length 40.0 mm Overall length 42.0 mm Outer bulb T9 Maximum diameter 35.0 mm Lifespan Nominal lamp life time 2000 h Rated lamp life time 2000 h Number of switching cycles 100000 Additional product data Base (standard designation) GU4 Mercury content 0.0 mg Mercury-free Yes Capabilities Burning position Any Dimmable Yes Certificates & standards Energy efficiency class C Energy consumption 22 kWh/1000h Energy efficiency class C Country-specific categorizations ILCOS HRGS//UB-20-12-GU4-35/36