Guardline 1/4 Mile Extra Sensor | Guardline Security

Guardline 1/4 Mile Extra Sensor

$84.99

521 Reviews   |  
  • Free Same-day Shipping
  • Hassle Free Returns

Features


  • Additional sensor compatible with the Guardline 1/4 Mile Motion Alert. This sensor is not compatible with the 500 ft. Guardline Motion Alert
  • Add up to 4 sensors per zone (for a total of 16).
  • Sensor has a 40 ft detection range.
  • Weather-resistant and ready to withstand the elements
** As with all wireless products the maximum range is determined by the amount of interference between the sensor and receiver. Any obstruction in direct line of sight range will reduce the effectiveness of the signal between the individual units. For maximum distance reduce as much interference as possible.

Customer Reviews

4.5 Based on 521 Reviews
5 ★
78% 
405
4 ★
11% 
57
3 ★
4% 
22
2 ★
2% 
13
1 ★
5% 
24
Customer Photos
Write a Review Ask a Question
  • Reviews
  • Questions

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
  • receiver
  • sensor
  • house
  • driveway
  • trees
  • system
  • customer service
  • Guardline
  • company
  • Works
ST
05/07/2018
Steven T.
United States

Great product!

The Guardline arrived in a timely fashion. It was really easy to set up and get working. It is very effective at alerting of cars and people approaching the home. I am very pleased with this alert system and would definitely recommend your company and product to family and friends. Great product!

JW
11/11/2019
JEFFERY W.
United States United States

Happy customer

I had trouble with false alarms. I read the owners Manuel and set the transmitter to 13 feet. That fixed the problem. I have a long driveway andI have found that I have several people walking in our driveway late at night to exercise. It was nice to know who prowls around at night on our property. I am very happy with my purchase.

FK
11/11/2019
Frank K.
United States United States

Gaurdline 1/4 mile motion sensor excellent

Excellent! I set up a temporary post on a platform so I could move it to get best placing & set it where I wanted it to be & did not have to move it. The receiver does an awesome job of picking up signal, I put it in places I didn’t really expect it would pick it up but it always did. Great product & I have recommended it to several friends.

TG
11/11/2019
Timothy G.
United States United States

Totally satisfied

Impressed with packaging and ease of installation, works great. Tim

BM
11/10/2019
Brian M.
United States United States

Great service after sale.

I had a small problem with one of my sensors, called guardline explained my problem and they corrected it in a very short time. It was great being treated like a valued customer.

Q: Looking at the 1/4 mile unit for my in-laws. They live in W NC. The driveway is up a gentle 15-20 degree slope with many trees on both sides of the road. How will the unit work with multiple sensors? Biggest concern would be the one at the bottom of the driveway as there are two 90 degree turns prior to getting to the main county road.
Answers (1)
A: Hi Mark, if your distance between sensor and receiver is under 1/4 mile, then this unit would be great for this because it has a stronger signal that allows it to fight through interference such as the hill and trees. Just remember, as you introduce more interference, your effective range will diminish little by little. Take care!
Q: In regards to the sensor: If it uses batteries to operate, how long do the batteries last? Is there an indicator light on the sensor to show how much power is left? Thanks
Answers (1)
A: The sensor batteries last about a year. If you live somewhere that gets really cold winters I recommend getting lithium batteries to ensure your sensor works year round. There's an LED on the receiver inside that will flash to alert you to low sensor batteries.
Q: Some of the pictures, of the sensor, have a shield on the top and some don't. Does the sensor unit come with this protective shield?
Answers (1)
A: The sensor comes with the sun shield bot both the 500 ft, and the 1/4 mile version.
Q: Can the sensor be mounted on a metal pole/pipe without any interference?
Answers (1)
A: We recommend not mounting on metal surfaces because they cause a great deal of interference with the sensor's signal. You can try it in the location. but if it does not work, the metal interference is most likely why.
Q: Will the wireless waves from the camera to the monitor be blocked by trees and hills?
Answers (1)
A: They will not be entirely blocked, but solid objects do degrade the signal strength. Basically, the system has a maximum range, and solid objects will make that range smaller. Certain items such as metal and stucco cause much more trouble that wood or drywall.

More from Guardline



Search

Just added to your cart:
Qty:
Total:
Subtotal:
 
Go To Cart
Just added to your wishlist:
Excl. postage 
My Wishlist