Guide on Buying the Correct Light Bulbs: Base, Shape and Dimensions Base: R7s Double Ended with 0.39'' diameter Shape: T3 Type J J78 Diameter: 0.39 inches (10mm) Length: 3.07 inches (78mm) Please make sure the double ended light bulb base matches what your light fixture has. Please verify your light bulb length is 78mm (3.07''), as there is a longer version with 118mm (4.64'') length that looks similar in the photos.

Please verify these specs prior to order. Lighting Features Power: 150 Watts Luminous Flux: 2200 Lumens Voltage: 110V/120V/130V AC Beam Angle: 360 Material: Glass Color Rendering Index (CRI): 100 for vivid and enhanced color Instant On. No Mercury. Lifetime: 2,000 hours (1.8 years with average of 3 hours use per day) CE and RoHS certified Pack of 5 Working with Halogen Dimmers These halogen light bulbs are dimmable using the dimmers designed for incandescent & halogen light bulbs.

All incandescent and halogen light bulbs are dimmable using traditional dimmers, as these dimmers simply adjusts the voltage level for dimming. Dimming using LED only dimmers will result in incompatibility, as LED dimmers work very differently. Please check the compatibility of your dimmer switch or light fixture prior to purchase.