Cartell CP-4 Smart Driveway Free Exit Wand Sensor System with 100′ Foot Cable for Gate Openers

Cartell CP-4 Smart Driveway Free Exit Wand Sensor System with 100′ Foot Cable for Gate Openers

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$199.99

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Price: $199.99
(as of Sep 22, 2026 05:55:41 UTC – Details)


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Customers say

Customers find the driveway sensor system effective and easy to install. The durability receives mixed feedback – while some say it holds up fine, others report units failing after receiving heavy rains. The gate opening feature also gets mixed reviews, with one customer noting it starts opening 100 feet away, while another mentions false activations. Customers consider it a great value for money.

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20 customers mention effectiveness, 16 positive, 4 negative

Customers find the driveway sensor system effective, with one customer noting it's a marked improvement over the original sensor.

Best product ever! Highly recommend.Read more

ExelenteRead more

GoodRead more

…Avoid unless you're planning on moving within two years, or if you're an installer, in which case buy one for your customer so they can pay you to…Read more

17 customers mention installation, 13 positive, 4 negative

Customers find the sensor system easy to install.

…Was easy to install, just needed to confirm the settings for default position for either closed or open position. Highly recommend.Read more

…just great to open gates automatically, detects vehicles correctly, easy install. Better than other brands in the market….Read more

…Installation was straight forward but required trenching and 1/2” conduit….Read more

I can’t figure out how to connect to my control panel. I’ve tried multiple connection points but none of them work with the Lift Master UL400 gateRead more

10 customers mention durability, 3 positive, 7 negative

Customers have mixed experiences with the sensor system's durability, with some reporting it holds up fine while others mention it doesn't last more than a year and fails during heavy rains due to moisture infiltration.

…It’s been in operation for less than a year. I expect more from a $200 magnetic switch. I’ll be getting another brand form now on.Read more

Installed at 2 different entry points, Both units failed after we received heavy rains within 2 months of each other….Read more

…No problems holding up fine. If you have a narrow drive way you can surface mount on the side of the driveway.Read more

The title says it all. Lasted 12 months.Read more

8 customers mention gate opening, 4 positive, 4 negative

Customers have mixed experiences with the sensor system's gate opening functionality, with some reporting it works well from 100 feet away, while others mention issues with false activations.

Gone are the ghost openings I had with a different brand. It works even if your moving less than 5 Mph….Read more

…Now this product is also malfunctioning, repeatedly tripping the gate opener, drained my battery. I isolated the problem to this device….Read more

…This was easy to connect and works great!! I like that gate starts opening 100 feet away.Read more

…The 5mph pass by for activation doesn’t seem to be true, if we roll slowly by the unit the gate will open. This is a positive for us….Read more

8 customers mention value for money, 5 positive, 3 negative

Customers have mixed opinions about the sensor system's value for money.

This item was easy to install and very well built. It is a great value for the money because I could do it myself without paying a contractor to do…Read more

…This unit has been great and detects every vehicle. More expensive than other units but worth the price.Read more

Installed this with the topens gate opener. It was cheaper and 50ft longer than the topens brand. This was easy to connect and works great!!…Read more

Good price. Arrived on timeRead more



Automation is a good thing.

5 out of 5 stars

Automation is a good thing.
We use these Cartell exit sensors on our auto gate systems. They are easy to install with most operators and are a nice feature to offer our customers.
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Top reviews from the United States

  • WK

    5 out of 5 stars

    A marked improvement over original sensor

    Reviewed in the United States on October 5, 2025

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    We have a long driveway with double gates, and the original exit sensor has been problematic for years, frequently trapping drivers in while they would drive back and forth to trigger the gate. We replaced it with this sensor, and the improvement was beyond expectations. The length of the wire allowed us to position the sensor farther from the gate and the sensor is far more sensitive even on the 'out of the box' setting. Since installing this exit sensor, we have not had a single issue with exiting vehicles and no false openings. Was easy to install, just needed to confirm the settings for default position for either closed or open position. Highly recommend.
    One person found this helpful

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  • Aaron martinez

    5 out of 5 stars

    Just what I needed

    Reviewed in the United States on March 15, 2026

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    Tried 2 cheaper ones that quit working after 2 weeks. This unit has been great and detects every vehicle. More expensive than other units but worth the price.
    One person found this helpful

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  • john beasley

    5 out of 5 stars

    Try it, you’ll love it

    Reviewed in the United States on January 23, 2026

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    Easy install and a real time saver.

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  • Outlet-C

    5 out of 5 stars

    Expect it to last 5 years

    Reviewed in the United States on December 30, 2025

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    Quick delivery. Worked as expected. …This is actually the second Cartell CP-4 purchased. The first one lasted until just after the 5 year warranty expired. So they are likely only good for 5 years.
    One person found this helpful

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  • Dean

    5 out of 5 stars

    Flawless

    Reviewed in the United States on November 12, 2025

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    I can’t say enough great things about this product. I was thrilled with it from the moment I installed it. Rented a trencher and had it installed within a few hours according to the detailed instructions included. This is a three-year review. This has worked flawlessly ever since installation. Looking forward to many years of continued use. Also, the customer support is awesome. No I didn’t need them, but I did reach out to them shortly after purchase and told them how grateful I was for their team producing such a quality product. They were very receptive and excited to hear my feedback. I think of them often as I exit my driveway.
    4 people found this helpful

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  • Barely.Broke

    1 out of 5 stars

    Two units both failed at about the two year mark. Doesn't last.

    Reviewed in the United States on August 28, 2026

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    First one died after about 2 years, signs of water damage when I took it out of my driveway, even though it's sealed and designed to go in the ground. Because of the price difference vs Liftmaster, I replaced it with the same Cartell CP-4.

    The new one just died after about the same amount of time, two years. Haven't torn up my driveway yet to find out why, but I'm guessing it'll be a similar story.

    I didn't learn my lesson the first time, but I'll spend the money on a better quality product this time. Avoid unless you're planning on moving within two years, or if you're an installer, in which case buy one for your customer so they can pay you to come back every two years and replace it. If you're a homeowner, buy something else.

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  • Jaime S, Werschitz

    5 out of 5 stars

    Work Great

    Reviewed in the United States on October 23, 2025

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    Works just great to open gates automatically, detects vehicles correctly, easy install.
    Better than other brands in the market. Compatible with LiftMaster Control Boards.

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  • JCL

    5 out of 5 stars

    Great driveway gate opener.

    Reviewed in the United States on June 21, 2024

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    I bought this driveway opener to replace the one I had before. I have a lot of rock in my soil so I had to run the cable above ground to the gate controller. I accidentally cut the previous cable with my mower and bought this to replace it.

    This was identical to the other, and both have worked well for several years, unless of course you cut the wires! The one I cut worked fine after I rewired it to the gate (shorter distance), but it wasn't far enough away to start the gate opening like I wanted. I'll just have to move the cable away from where I might mow.

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Top reviews from other countries

  • Don M.
    5 out of 5 stars
    Exit wand
    Reviewed in Canada on August 27, 2025

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    Works as it should

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Product Summary: Cartell CP-4 Smart Driveway Free Exit Wand Sensor System with 100' Foot Cable for Gate Openers

From Cartell
Direct replacement for CP-3 with added features. CP-4 automatic gate opener is Cartell’s best automatic gate opener ever.
The Free Exit System opens your automatic gate so you and your visitors can exit the property without having to use a remote or keypad.
This self-contained system connects directly to any gate opener system without an external output board and can be used with solar-powered gates.
Features: Self-contained system, Conduit-ready housing, Sensitivity adjustment, Better heat resistance, More lightning protection, New proven digital circuit
Weather-resistant cable One model, less confusion Industry-standard wire colors Universal voltage AC & DC Works with all gate operators
Customers find the driveway sensor system effective and easy to install. The durability receives mixed feedback – while some say it holds up fine, others report units failing after receiving heavy rains. The gate opening feature also gets mixed reviews, with one customer noting it starts opening 100 feet away, while another mentions false activations. Customers consider it a great value for money.

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Cartell CP-4 Smart Driveway Free Exit Wand Sensor System with 100′ Foot Cable for Gate Openers
Cartell CP-4 Smart Driveway Free Exit Wand Sensor System with 100′ Foot Cable for Gate Openers

$199.99

Buy Now
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