Prongs on the side of the base plug into specialty track lighting fixtures.

Pins on the base lock these bulbs into sockets to withstand vibration.

Choose from blue, green, red, and yellow bulbs.

Small but powerful, these bulbs are commonly used in stage and security lighting.

Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators.

These bulbs produce a narrower, more concentrated beam of light than floodlight bulbs.

Replace metal halide, high-pressure sodium, and mercury vapor light bulbs with longer-lasting, energy-efficient LEDs.

Switch from the yellow light of high-pressure sodium to the white light of metal halide without changing ballasts.

Pins on either side of the base lock these bulbs into sockets.

Offset pins on the base lock these bulbs into sockets. One pin is slightly higher on the base than the other pin.

These miniature bulbs are sized to fit older telephone switchboards, signs, instruments, and indicators.

Often used as status indicators, in displays, or to check circuit function in prototyping and testing, these bulbs have wire terminals to directly install onto circuit boards.

Fit these bulbs in tight spaces such as signs, control panels, indicators, and flashlights.

Bulbs have two filaments, which operate at different brightness levels.

A sealing gasket keeps out oil and other contaminants.

Also known as beacon lights and signal lamps, these bulbs provide high-intensity light so they're often used in security warning devices and machinery.

Replace bayonet base incandescent bulbs in exit signs with longer-lasting, energy-efficient LEDs.

Energy efficient and long lasting, these four-pin bulbs are often used in task lights. They’re comparable to PL, Dulux, and Biax bulbs.