-- Call us toll free at 866-925-2768 -- A business of RJA Technology LLC We accept MasterCard, American Express and Visa credit cards


We, at®, a business of RJA Technology LLC., are at your service. You will save $$ much as 10-40%, when compared to your traditional signaling suppliers.

You will find answers to your application questions, and a source to satisfy your special signaling, and communication requirements.

Contact us--Phone Toll FREE 866-9 ALARM U (866-925-2768) from the USA and Canada Contact us--Email

Ph: 630-749-4144 Fax: 815-485-2510

Feel Free to FAX your ORDER... Business hours are: Monday- Friday 8:00 AM to 5:00 PM Central

Corporate Offices: 1319 Schoolhouse Rd. UNIT 8, New Lenox, IL 60451 (A Chicago Suburb) USA

We have the ability, and know how, to assemble custom solutions, whether for andon LED / tower light systems for lean manufacturing initiatives, or machine alarms, horn strobes, or rotating beacons--Whatever your need, when it comes to industrial signaling and communications, feel free to ask us if we can help. Our customers praise us for the assistance we provide!

All products are fully guaranteed against manufacturing defects for 2 years, in cases where the manufacturer has a longer warranty, that warranty applies. If you are not satisfied with your purchase, you may return it within 30 days for exchange or refund. Any merchandise returned to us without authorization will be refused. Please request return authorization. All exchanged/returned merchandise must be in original factory condition in order for credit to be issued. See WARRANTY PAGE FOR MORE DETAILS

What we do...You are the reason we exist, for years you have had only a few sources for alarm horns, strobe lights, andon lights, bells, sirens, communication equipment, machine alarm devices, rotating lights, LED alarm lights, speakers, amplifiers, explosion proof strobes, explosion proof speakers, hazardous location signals, backup alarms, panel alarms, indicating lights, amber beacon lights, and other signaling and communication devices.  Since 1969 we have had experience with these devices, since 2001 we have brought these products direct to you, and you now have access to this knowledge to help you find the best value product for your application.

Trademarks and Images used Throughout this Site are the Property of Their Respective Owners is a registered Trademark of RJA Technology, LLC.*

© Copyright RJA Technology, LLC 2001-2011

Some of the products offered: Signals, Horns, Bells, Sirens, Andon Lights, LED Andon Lights, Tower Lights, LED Lights, Signal Towers, Stak Lite, Stack Lights, Lite Stack,Buzzers, beacons, beacon light, strobe, flasher, flashing light, siren, evacuation, speaker, speakers, howler, explosion proof strobe, explosion proof horn, voice message player, public address, PA System, wail, tornado sirens, menics, floyd bell, hooters, rotating lights, barricade lights, tone generator, bells, process alarm, blasting siren, edwards, MEDC, whelen, tomar, wheelock, wireless andon, explosion proof light, audible signal, visual signals, micro strobe, panalarm, banner saver, banner arm, industrial intercom, radio intercom, wireless intercom, ritron, ritron radio, back up alarms, dock lights, Applied Strobe Technology, AST, telephone alert strobe, battery strobe, LED, megaphone, bull horn, andon board, LED message Sign, Audible visual signals, piezo, alarm, status light, alarm strobe, status alarms, amber strobes.