LED Beacons | McMaster-Carr

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Signal Light

Signal Light with Audible Alarm

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157 Products

About Relative Visibility of Signal Lights

Surface-Mount Hazardous Location Flashing Lights

These lights are UL listed for environments where fuels, solvents, acetylene, and other hazardous substances may be present.

Surface-Mount Flashing Lights

Surface-Mount Vibration-Resistant Flashing Lights

The pad below the base absorbs shock and vibration.

Surface-Mount One-Way-View Flashing Lights

Direct your signal with these lights; they flash in one direction.

Pipe/Surface-Mount Flashing Lights

Surface-Mount Flashing Light Bars

These lights cycle through three different flashing patterns.

Flashing Light Bars with Vehicle Plug

These lights cycle through three different flashing patterns.

Battery-Operated Flashing Lights

Quickly position these portable flashing lights using the magnetic base to draw attention to hazards in areas such as docks and railroad crossings. They are battery operated, so they do not need to be wired or plugged in.

Solar-Powered Flashing Lights

Place these lights in full sun and their batteries charge during daylight hours. Lights automatically switch on at dusk and off at dawn.

Strobe Lights

Surface-Mount Compact Strobe Lights

Small as hockey pucks, these lightweight strobe lights mount to surfaces and are unobtrusive when they’re turned off.

Surface-Mount Multiple-Flash Strobe Lights

Easier to spot than other strobe lights, these lights emit bursts of multiple flashes.

Compact Strobe Lights with Vehicle Plug

As small as a hockey puck and compatible with standard 12-volt vehicle plugs, these strobe lights are inconspicuous when not in use and quick to connect.

Multiple-Flash Strobe Lights with Vehicle Plug

Easier to spot than other strobe lights, these lights emit bursts of five flashes per cycle.

Multiple-Flash Strobe Lights with Two-Prong Plug

These strobe lights flash multiple times per cycle, making them easier to spot than standard strobe lights.

Surface-Mount Multiple-Flash
Strobe Lights with Two-Prong Plug

Selectable Pattern Lights

Continuous/Flashing Lights

These lights can switch between being continuous or flashing.

Pocket-Size Flashing Lights

Carry these lights around with you and place them wherever needed.

Continuous/Flashing/Revolving Lights

These lights can switch between continuous, flashing, or revolving.

Aircraft Signal Lights

Mount these lights to the top of towers to warn low-flying aircraft.

Revolving Lights

Surface-Mount Revolving Lights

Pipe-Mount Revolving Lights

Revolving Lights with Vehicle Plug

Continuous Signal Lights

Flashing Lights with Buzzer

The buzzer warns workers of hazards even when they’re outside a direct line of sight.

Stack Lights

Surface-Mount Stack Lights

Mount the M22 male thread on the bottom of the light through a hole and then secure using the included nut.

Build-Your-Own Stack Lights

Design a stack light with your choice of light pattern and color. Start with a base, then add up to five modules total—twist and lock them together.

Select-a-Color Stack Lights

Choose from seven colors, including nontraditional colors such as magenta and turquoise, for a custom four-light stack light.

Compact Stack Lights

Mount these lights horizontally or vertically in places where a tower will not fit.

3-in-1 Compact Stack Lights

Use these lights in tight spaces in place of a tower. They emit three colors from a single lens.

3-in-1 Compact Quick-Connect Stack Lights

These lights emit three colors from a single lens and can be mounted in tight spaces where a tower will not fit.

Quick-Connect Stack Lights

The quick-connect four-pole M12 plug on these lights makes them easy to hook up and configure.

Push-Button Stack Lights with Two-Prong Plug

Give a signal with the push of a button. These lights have a control box for activating each of the three light modules.

Electronic-Alert Stack Lights with Buzzer

Get notified about equipment issues even when you aren't around your machines. These lights connect to your computer via Ethernet, allowing you to set up email alerts when there is a problem with a machine, server, or conveyor.

3-in-1 Compact Stack Lights with Buzzer

Good for tight spaces where a tower of lights won't fit, these emit three colors from a single lens.

Programmable Stack Lights with Buzzer

Use a computer to program colors, lighting patterns, and sounds to communicate a variety of status conditions, material levels, and cycle times—these stack lights have 21 colors and 11 sounds.

Stack Lights with Buzzer

These lights have LED bulbs for years of maintenance-free operation and can be wired as either continuous or flashing.

Traffic Control Signal Lights

Traffic Lights

Direct traffic with these colored lights.

Blind Corner Signal Lights

When motion is detected from both directions at a two-way corner, these lights flash to alert personnel and prevent collisions.

Screw-In Base Status-Indicating Light Bulbs

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.

Forklift Tail Lights

Add these lights to a forklift to improve safety. They contain a turn light, brake light, and backup light.