This PLATINUM ESA FHD 10w 6v G4 Halogen light bulb has many different applications. This bulb consumes 10 watts 6 volts and has a rated life of 100 hours. This bulb is most common for use in Residential Lamps, Desk lamps, Hanging Lights, microscope, medical, ophthalmic, microfilm, projectors, and effect lighting. It is extremely small but highly effective.