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

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

These bulbs are small, but very bright, so they're often used in flashlights and optical instruments such as projectors and microscopes.

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

Wire terminals allow you to connect these bulbs to a power source through a panel.

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

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

Turn standard light bulb sockets into standalone floodlight fixtures using these bulbs, which have an aluminum reflector to focus light downward and add a finished look.

A built-in sensor turns these bulbs on when it gets dark, then off when it’s light out.

Get the most light out of a single socket. With multiple LED panels, these bulbs are as bright as light fixtures but don’t require wiring.

Swap out the high-intensity discharge (HID) bulbs in your hazardous-location lights to lower energy costs.