Business Grade Wireless Expandable Entry Alert

A Reliable Long Range Entry Alert, the DA50L-A, That's Designed for Business Use

When the off the shelf entry alert from the big box store retailers simply won’t due, look to the DA50L-A.  Simple to install but powerful, this product has the range you are going to need to get the job done right!  An alert is sent to a remote receiver whenever a person passes through the Passive Infrared Receiver.  Install multiple sensor and transmitter to extend the kit.

Accessories & Addons:

  • Description
  • Additional information
  • Reviews (36)
  • Product Manual

Do you need Instant Notification when Motion is Detected, or when Customers enter your Office or Store?

The DA50L-A,or the Rodann TXRX-1000A is long range wireless entrance alert product that uses a PIR based transmitter and plug-in receiver.  This is our best selling, flagship product at In our opinion, this is one of the best entrance alerts we offer. This entry alarm has been used to alert store owners when a customer enters a store, alert homeowners when kids open the basement door,or notify offices and warehouses when a stock room door has been opened. The DA50L-A Wireless Door Chime Set is a high-quality passive infrared (PIR) door chime that detects infrared waves whenever something crosses its path. Because it does not use light beam projectors or reflectors, the DA50L-A is resistant to false alarms triggered by light. Works with both open or closed doors. The DA50L-A Wireless Door Chime is battery operated – no wiring required. It is perfect for both personal use in the home as well as commercial use in warehouses or other restricted areas.

Entry Alert PIR Sensor Over Door

DA50L-A Entrance Alert Kit Features:

  • Will work on all doors, including metal
  • Infrared sensor reliably detects motion
  • Wireless system with volume control
  • Easy to install
  • Wide range – receiver can plug into a wall outlet within a 1,000-foot range
  • Battery-powered transmitter (3 “AA” batteries)
  • Receiver operates on 110 volts
  • Designed to prevent false alarms
  • Four chime options available
  • Counters available
  • One Year Manufacturer’s Warranty

Additional information

Weight1.7 lbs
Dimensions7.25 x 7.25 x 3.5 in




kit or accessory

wireless features

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36 reviews for Business Grade Wireless Expandable Entry Alert

  1. 5 out of 5

    (verified owner)

    The DA50L-A Entrance Alert System is very easy to install and works as I expected. When you don’t have someone sitting at the front desk 10 hours a day, this is the productrnto have.

  2. 5 out of 5

    (verified owner)

    worked exactly as promised, every time. volume controls awesome, no interference with neighboring businesses – as we had with last door chime. highly recommend.

  3. 5 out of 5

    (verified owner)


  4. 5 out of 5

    (verified owner)

    Works great, can hear anywhere in our 22,000 sq ft building.

  5. 5 out of 5

    (verified owner)

    This is a potential life saver. My elderly neighbor has a tendency to walk away from their home & with this, I have a receiver in my house so I can hear when they walk out of their door. I’ve gotten an extra transmitter and a couple extra receivers. There’s a receiver in 2 houses, in case one of us us doesn’t hear the dinging of the neighbors transmitters going off.rnrnA great product!

  6. 4 out of 5

    (verified owner)

    Installation and set-up was a breeze. Works great. I added the strobe which helps because of the noise in the shop. I have the strobe set for the longest on time but that’s only 5 seconds. I think a longer on time would be better. I was told the 9V battery in the transmitter should last at least 6 months but I still think an AC adapter would be a nice option.

  7. 5 out of 5

    (verified owner)

    Works great, has a nice easy tone.

  8. 5 out of 5

    (verified owner)

    I knew I needed something wireless but wasn’t sure of what was available. The man I spoke with was very helpful in suggesting this product and I am VERY happy with it. It was extremely easy to install. I had it out of the box, mounted and ready to go in 15 minutes and that time includes getting my ladder and drill and putting them away. The bell is volume controlled and I bought an extra for the second floor. One is set up 30′ away with a brick wall between them and the other is on the second floor on the other side of the building (so walls and floors do not interfere) In Short, reliable product, easy install, fast delivery, courteous service! As for price, I have no idea about comparisons because I don’t know what the market is on these things but for what I needed it for, it was worth it to me.

  9. 3 out of 5

    (verified owner)

    Range is decent, as long as there are no obstructions to block the signal from the transmitter to the receiver (even within 150 feet). I have tried to put the transmitter in a few different places to keep it from sensing the door closing, but am still having a hard time with it. Overall, satisfied with this system because even with false alarms, I know when somebody enters my store.

  10. 5 out of 5

    (verified owner)

    This chimer is very effective for letting us know when customers are up front. rnWe have the sensor and the chimer fairly spread a part and they work very well.rnSimple, effective and the customer service is very helpful.

  11. 4 out of 5

    (verified owner)

    Works perfectly to alert me when people actually enter our office without picking up people walking past the office entrance.

  12. 5 out of 5

    (verified owner)

    After purchasing several doorbell units that did not work or did not work consistently, this unit performs perfectly.rnrnA cinch to install with great optional accessories. Well worth the money!

  13. 5 out of 5

    (verified owner)

    excellent product. Performed as described. Used to alert staff when a person enters side door.

  14. 5 out of 5

    (verified owner)

    The wireless entrance alert is perfect forrnmy needs. I have a busy shop and when someone comes through the door we can hear them. It works every time, not like those inexpensive ones that you buy at an electronics store.

  15. 5 out of 5

    (verified owner)

    Fast and friendly service and a doorbell that works as advertised! Can’t do any better than that.

  16. 4 out of 5

    (verified owner)

    Works great! It’s such a relief to be able to work in the back of the store without worrying about not hearing customers as they come in.rnThe only reason the I didn’t give a 5 star is it’s a bit of a hassle to change the pre-programed the bell tone.

  17. 5 out of 5

    (verified owner)

    I’ve had troubles with the products from Home Depot and Loews. This one finally works as described!

  18. 5 out of 5

    (verified owner)

    Wonderful product, makes life much easier. We know as soon as a customer comes in and can respond from the back office. This allows us to work uninterrupted until someone comes in.

  19. 5 out of 5

    (verified owner)

    This system is very easy to install. It works great with a great range.

  20. 5 out of 5

    (verified owner)

    works awesome.

  21. 5 out of 5

    (verified owner)

    excellent product, works like a charm

  22. 5 out of 5

    (verified owner)

    Quick shipping. Easy to understand instructions. 15 minutes and it was up and running.

  23. 5 out of 5

    (verified owner)

    Excellent project. Works great without being so big that it is an eyesore. Very happy with our purchase and the help we got in making our decision.

  24. 5 out of 5

    (verified owner)

    Very easy to install. Many options for sounds, volume, etc. Very adaptable to any location. We use it in an open doorway to alert staff of people wanting to check out at the register.

  25. 5 out of 5

    (verified owner)

    a good buy, as advertised very loud, fits the bill perfectly !!

  26. 5 out of 5

    (verified owner)

    After several attempts to get a simple office notification of an entrance to our building through local home box stores, several "add-ons" to them from, and so much complication…I tried this one simple purchase from 1800Doorbell. I absolutely wish I had just gone here first. The unit works exactly like I had hoped. I simply wanted to hear a sound when a customer comes through our doors. No false alarms. No annoying sounds. It was easy. It was worth every cent. It was more expensive than the unit that I bought at the local home specialty store, but much cheaper once I added on this component and that component from Amazon. What a waste of time and money. This unit will do the trick.

  27. 5 out of 5

    (verified owner)

    but the only thing I don’t enjoy is that we have to calll another # for tech support

  28. 5 out of 5

    (verified owner)

    Good product. Works as advertised.

  29. 5 out of 5

    Arrived very quickly, was super easy to install, and works like a dream! Very pleased with the product.

  30. 5 out of 5

    (verified owner)

    1800doorbell’s Business Grade Wireless Expandable Entry Alert Kit and an additional DA50L-A receiver is a God Send! I ordered these products based upon my friend’s requirements who owns a bakery. Along with 1800doorbell customer service, they steered me to this product which is a perfect match for her bakery front entrance door area. The product works as described, even with the addition of a second receiver, it was shipped on time and in perfect condition and was already programmed for the basic parameters so, it worked out of the box after, of course, installing batteries in the transmitter and plugging the receiver(s) into AC power. And by the way, the radio range is quite amble for a typical small business building. No failures where ever we set the receiver units. So, now after several weeks of operation, the footprint of the IR beam is perfect without any falsing, so, thank you 1800doorbell for an outstanding, reliable and a perfect match to the her bakery’s customer front door walkway foot print.
    Ron – Wisconsin

  31. 5 out of 5

    (verified owner)

    After talking to a service technician and explaining my needs, I purchased the DA50L-A and received it in just days. I put the batteries in and used the two screws to mount and it is in use, just that easy. I

  32. 5 out of 5

    (verified owner)

    One of the best door alert systems around for the price. We bought one 10 year ago and it still works

  33. 5 out of 5

    (verified owner)

    Very easy to set-up, Works like a charm. I needed an entry chime system that had one sensor but two chime modules and this system was the answer. I bought this kit and added a chime module and it works really well, my second chime module is located about 60 feet away from the sensor and is behind a wall in a back room and still chimes every time.

  34. 5 out of 5

    (verified owner)

    We are in an office and needed a chime to alert us if the receptionist was not at her desk. We had maintenance use double sided tape and they fixed it to a ceiling panel close to the door, The chime receiver plugs in to any wall socket, we
    wanted something very simple and that is what we got. Very good customer service.

  35. 4 out of 5

    (verified owner)

    Works exactly as expected. I use it to monior the door in the waiting room of a medical office for when the secretary is out. The sensor aims at the upper part of the door and therefore only chimes when the door is opened. Does not repeatedly chime if someone walks hear the door. Easy to hook up.

  36. 5 out of 5

    (verified owner)

    Excellent product. We used velcro to mount it to the metal grid of a drop ceiling above the doorway entrance to our Frame Shop. Easy to set up. Although the directions are not explicit we figured it out. Works very well. We like the plain ding-dong tone. Threw away two systems that worked a short time. Both offered a multitude of long annoying sounds and songs. Worth the cost.

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