[Reliable Halogen Bulbs] Made with tungsten filament, these 40W bulbs have a lifespan of up to 3000 hours.Extremely long lifespan reduces the frequency of bulb replacement.Halogen lamps are often described as a weather type because they reach their full brightness once turned on. [easy to install & dimmable] bright and compact, easy to install, with a loop-type 2-pin base.Diameter: 0.49 inches, length: 1.57 inches, base: 0.35 inches with 2 claws.In addition, this 120V G9 bulb fits most dimmers available on the market and is dimmable! [G9 bulb eye protection] Eye health is often overlooked, but it is important.Our G9 halogen bulbs are flicker-free and do not cause fatigue.They maintain a warm white temperature (2700k) and do not emit UV radiation like other lamps. [wide range of applicable xenon bulbs] halogen lamps can be used for many uses, commercial and residential being the most common.Our G9 Pin Base 40W halogen bulbs are suitable for table lamps, under cabinet ice hockey fixtures, decorative fixtures, kitchen island counter chandelier lighting and various small household appliances [multiple lighting applications] T4 bulbs are commonly used in chandeliers, chandeliers, cabinet lights, bathroom lights, ceiling fans, range hoods, microwave ovens,spotlights, table lamps, floor lamps, wall lights, etc.