The Broncolor 50W Modeling Lamp comes with a fuse to be used with Broncolor Mobilite and Impact 21, 41.This efficient modeling lamp’s color temperature is 3300° KProviding approximately 1400 lumens, this modeling lamp can be used for an average of 50 hoursIt comes with a G6.35 Glass 2-pin base type and CBar6 filament typeThis modeling lamp measures 1.73 inches