Wireless Home Security Driveway Alarm, Entry Alert, Visitor Door Bell Chime with 1 Plug-in Receiver and 1 PIR Motion Sensor Detector Alert System, Quality Sound and LED, 38 Melodies

This unit works very well if installed properly. I have now enclosed the sending unit-detector in a Sterilite clear bin with a cut-out window as in the picture shown here. Whenever the mailman or delivery people approach the house the chime alerts us to the presence of someone near the house. The distance to the unit is over 60 feet! Also, the seller contacted us quickly when we had questions. I think this is a five-star unit and third-party company. I really want to emphasize that the vendor is solid, responsive and you should be aware of intermittent sunlight shining on the unit if outdoors.It has been outdoors for over a year and the batteries last 8 months. My total cost for the installation is under $35 and we are very pleased. I bought another for our backyard and as ainstalled they tolerate the weather extremes of New England.UPDATE: Three years and counting! Can you believe it? The $20 IR sensor and receiver still work perfectly in New England very harsh weather. It tells us when the postman, Amazon Fresh or newspaper deliverer have arrived, are in the driveway. I was totally shocked to see how it's endured unbelievably. I change the batteries every six months and it's still going strong. Wow. Best buy!

This alert system did everything I wanted. I have the sensor set about 15 feet from the driveway and it works perfectly. Not overly sensitive. Receiver is in the house about 40 ft from the sensor. Has a high and low volume control although that most of the 30 some odd ringtones are annoying as they seem to be complete songs. I sent it to the basic doorbell chime and it's perfect.

If anything it was and is too sensitive, had to move to a better part of the room to have less false alarms. Now works as planned. Original area was at edge of a large window. Sun shadows seemed to be triggering movement. After moving item to a remote corner and having it aimed correctly now makes it what was planned as a warning of customer in store.

works well. Range is "pretty good" But be warned, EVERYTHING seems to set this off. Cats, squirrels, deer.......the WIND. My family keeps unplugging it. kept going off in the middle of the night with nothing there. I trimmed some limbs around it so hopefully the wind wouldn't set it off. Helped a little.

I got this to use on my front door. My door bell works but I can’t hear it when I’m in the garage or a back bedroom. This one has a low/loud assortment of alerts. I use the “ding dong” alert. I added a simple on/off switch (available on Amazon) to turn the bell off when I’m working out front and don't want the bell driving anyone in the house nuts. This one fits the bill exactly as I need.

I put this in open doorway to know when husband left area. He has Alzheimers.Always notified me, when he left area, lots of ring choices and about 3 loudness choices.

This works as it's supposed to, and has a good range. I use it indoors so I know nothing of it's abilities or durability in less than an ideal environment. There is a ridiculous number of chime choices, and 4 volumes levels. The only flaw I have found is that it seemed to revert to melody 1 when there was a power interruption.

I do not like the "plastic" mounting swivel. It does not make it easy to position alarm "area" coverage. I set this up to monitor my driveway. It took some time to set it... but satisfied. Its not my sole monitor.