Model # AL101

Internet #203522901

Defender Frontline Wireless Driveway Alert System with Adjustable Sensitivity-DISCONTINUED

Discontinued Defender

Frontline Wireless Driveway Alert System with Adjustable Sensitivity-DISCONTINUED

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Product Overview

The first point of protection in your home security set up is the Frontline Wireless Driveway Alert System. Always be aware when guests or trespassers pull into your Driveway or enter a restricted area. Defender is a leader in home and business security solutions and now brings you this compact motion alert system for the peace of mind knowing that your property is safe.

  • Wireless transmission up to 300 ft. Enjoy the flexibility of installing your Frontline Driveway Alert sensor anywhere on your property up to 300 ft. 1 from your alarm unit, you can rest assured that the signal between your monitor and motion detector is strong and reliable at all times
  • Adjustable Sensitivity select your sensitivity level based on where your motion detector is located, choose to be alerted only by larger objects like automobiles or increase the sensitivity to include pedestrians, the sensor can be adjusted to detect motion up to 15 ft. away or boost the power and detect up to 30 ft. away
  • Weather resistant for outdoor use feel free to place the motion sensor outside near your driveway or in a restricted parking lot all year round, the motion sensor is made with weather resistant material that can withstand wind, rain and snow
  • Go completely wireless with batteries. This wireless driveway alert was designed to conserve battery life–in some cases you won’t have to replace batteries for over 6 months, when the sensor battery is low, the hand held receiver will alert you so you will always be protected, the receiver is powered with the included AC power adapter or batteries can be added for complete wireless functionality
  • Expandable up to 3 Sensors ensure that all areas of your property are secure by adding additional motion sensors, the receiver will notify you when motion is detected for up to three zones and indicates which sensor is sending the alarm
  • Zone control from the hand held alarm unit, you have the ability to turn motion detection on or off for each particular zone, this allows you to customize the zones you are monitoring throughout the day
  • Lifetime live customer support our customer support team can be reached by phone, by email and live web chat, our experts will be happy to assist you in English, French and Spanish

Info & Guides

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Name Frontline Wireless Driveway Alert System with Adjustable Sensitivity-DISCONTINUED Wireless Motion Sensor for Battery Operated Transmitter Wireless Motion Sensor Alert Set Lyric Wi-Fi Water Leak and Freeze Detector
Brand Defender Safety Technology International IDEAL Security Honeywell
Ratings (47) (2) (34) (47)
Included Battery Back-Up Hardware Batteries,Battery Back-Up,Hardware Batteries,Battery Back-Up,Cables,Hardware
Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Indoor
Wired or Wireless Wireless Wireless Wireless Wireless
Features Audio Alert/Siren No Additional Features Audio Alert/Siren Audio Alert/Siren,WiFi Enabled
Field of View 150 Degrees 360 Degrees 90 Degrees
View Product View Product View Product View Product



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Audio Alert/Siren
Field of View
150 Degrees
Battery Back-Up
Number of Sensors Included
Product Weight (lb.)
Range (ft.)
Wired or Wireless

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Customer Questions & Answers

Is there an audio alert/siren at the sensor or only at the monitor

Asked by: Anonymous
The model we have only has an alert tone at the monitor.
Answered by: Observer
Date published: 2015-09-17

If I am only monitoring with one sensor, can I turn it off I desire. Do not want it coming on over patio if entertaining in the evenings.

Asked by: Anonymous
The on/off switch is on the top of the monitor and is easy to access if the monitor is easy to access. You can also turn the volume down.
Answered by: Observer
Date published: 2015-09-17

How loud is the alert, will it wake you?

Asked by: Anonymous
With the volume on high, it will definitely awaken you. The volume control is as on a portable radio; that is it is on a rheostat and has an infinite control of the volume. Not just one or two settings as many other alerts have.
Answered by: Observer
Date published: 2015-09-17

Does the wireless signal work only by line of sight?

I live on a steep hill & need detector at bottom, with alarm at top, approximately 200 feet up.
Asked by: Anonymous
Ours works at 100+ feet and through one exterior wall to our house. It is not "line of sight".
Answered by: Observer
Date published: 2015-09-17
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Customer Reviews

Frontline Wireless Driveway Alert System with Adjustable Sensitivity-DISCONTINUED is rated 4.0 out of 5 by 47.
Rated 5 out of 5 by from Very nice product This wireless alert system works very well as presented. I was happy to find a unit that would allow the receiver to monitor multiple alert sensors, in this case three. The only negative is the very small screw that holds the outside sensor to the bracket. In my opinion this should have been a larger screw to make it easier to handle. If you drop the screw you may never find it. I went to the hardware store and bought some extra screws because I know that I will loose one at some point. It was not easy to find a screw this small. All in all, a very good alert system. I bought a second set so I would have an extra monitor and and extra outside sensor.
Date published: 2013-05-22
Rated 5 out of 5 by from Great for product This is a good product. As I was effected with storm sandy, and was effected with gas shortage. And was the only one on my block with a generator and about 40 gallons of gas. I felt much safer with the frontline system to tell me if anyone was to go in my yard or drive way. I have gotten two senors, to protect my driveway and shed. The added plus was the main alarm panel was portable. So I was able to take it anyway with me. A+ this is a prepper must have. I and going to order another sensor.
Date published: 2012-12-04
Rated 4 out of 5 by from The product is JUST what I wanted. I live alone and wanted something to tell me if someone was in my yard. Gives me lots of comfort to know it works.
Date published: 2013-02-27
Rated 5 out of 5 by from Works as advertised, easy to install. Front Line Alert picks up movement out to 30 feet, and transmits the signal over 150 feet to the receiver. It was easy to install and is works in the rain. I only use one of the 3 zones available. The alarm sounds a little like a smoke detector. It works well.
Date published: 2012-12-05
Rated 2 out of 5 by from NOt my first choice I wanted a driveway alarm that had an AC adapter for the alarm unit in the house. It's ok to change batteries in the sending unit in the driveway, but didn't want to mess with worrying about the inside unit. This Frontline has an AC power adapter, but the alarm signal was not loud enough for us (and we have an open concept house, so walls were not the issue) and the signal tone was a beep which sounded just like the coffeemaker when it's done. So I looked again and found the Chamberlain unit. Much better! Comparable price and improved alarm signal.. a loud chirping which is easy to hear all over the house.
Date published: 2013-10-08
Rated 5 out of 5 by from excellent product... Works very well as described. Service was prompt and on time as promised. Contacted technical support for a technical question and the reply was fast and informative. Thanks for the excellent product and service.
Date published: 2013-06-25
Rated 3 out of 5 by from Good quality, poor range I purchased this wireless driveway alert hoping that it would be better quality than the $15 Harbor Freight model. I can say it seems pretty well made. It's also expandable to three zones, and the alert volume is adjustable with a dial knob. The big complaint I have is the lack of range between the sensor and receiver. The company claims 300 ft. max. This is an absolute joke. You couldn't get 300 ft range in the middle of the desert if the receiver was downwind of the sensor. My $50 wireless router is on the other side of my house, and it can punch a signal through a couple of walls and provide several MB/s of data. This system can't get one burst through a single obstruction. When they say line-of-sight, they really mean it. When you set this system up, you literally have to be able to see the receiver from the sensor. If you can live with this limitation, it's OK. Just don't buy this thinking that it will be like your wireless home network.
Date published: 2013-10-15
Rated 1 out of 5 by from does not work put it out the first day about 300 ft. worked great. the next day it did not work. moved it up the drive 50ft, worked great. next day did not work. moved it up another 50ft it worked till the next day which is today. today im moving it out 17 miles back to the home depot.
Date published: 2013-01-29
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