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MarCELL Pro Multisensor

Original price was: $245.00.Current price is: $209.00.

  • Monitors temperature, humidity & power
  • Sends instant alerts via text, call or email
  • Offers real-time data reporting
  • Uses 4G cellular connection (No Wi-Fi needed)
  • Flexible Subscription Options
  •  Proudly Made in the U.S.
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Why MarCELL Pro?

Protecting what you value most is our #1 priority — our solutions are specifically designed to provide you with absolute peace of mind.

Free Shipping

Dedicated U.S Support

90-Day Guarantee

1-Year Warranty

Subscription Plans

Choose between:

$ 24.95 Per Month

*Billed Ever Month

$ 14.95 Per Month
Best Value

*Billed for 12 Months

*You will select and pay for your MarCELL subscription plan when activating the device through our website or mobile app.*


  • Water Sensor Tether

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  • AC Power Supply

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  • Mounting Bracket

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  • SPuck Water Sensor

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What Our Customers Say

The MarCELL has given me 100% peace of mind when it comes to leaving my pups in the RV on a hot day.
Camp Addict
RV Owner
Exactly what we wanted. We are now updated with any potential power loss, heat and humidity issues for our RV.
Cheryl G
RV Owner
This is truly a much needed and well thought-of product, for any one who owns a vacation home.
Mike Sendler


Devices connected to the Verizon can operate in the U.S, and Puerto Rico only. We also offer an AT&T version of MarCELL Pro which operates in the U.S as well as Canada.

MarCELL Pro reports temperature, humidity, and power conditions to your dashboard every 30 minutes for you to view in real-time for free. You also receive instant alert notifications free of charge as part of your subscription plan.

Yes. MarCELL is a cellular connected device using Verizon and AT&T networks. 

Monthly Plan = $24.95/mo

Annual Plan = $14.95/mo (or $179.00 prepaid at the start of the season)

No. MarCELL Pro runs on it’s own independent 4G networks. It does not require Wi-Fi, fixed broadband, or an existing phone line.

We’re confident MarCELL Pro will the perfect solution for your needs! In the case that you are unhappy with the device, you can return it for a full refund within the first 30 days, no questions asked.