G4 816w low voltage halogen lamp 12v with warm white luminous colour 3 000 kthis g4 low voltage halogen lamp is available in two watts and can illuminate any living room with a maximum of 300 lumensthe special thing about this lamp is its energy savings of approximately 20 and excellent colour reproduction ra100characteristics class b energy efficiency this halogen lamp has a good lifetime of 6 000 kelvin its design allows for good illumination