The MarCELL monitor is designed to give you peace of mind—whether you’re keeping tabs on temperature, humidity, or power status in your RV, unoccupied property, or anything else that matters.

MarCELL Pro is an advanced remote monitoring device that measures indoor temperature, relative humidity and power status for commercial and industrial applications.

MarCELL is a remote monitoring device that measures indoor temperature, relative humidity and power status in your home, RV, greenhouse, etc. The setup is simple, with an intuitive interface that allows …

Explore all MarCELL subscription plans and choose the right option for your monitoring needs. Compare annual, monthly, and seasonal plans for MarCELL Multisensor, Pro, FarmCELL, and NIST devices.

Find clear answers to common questions about MarCELL devices, subscriptions, setup, alerts, and troubleshooting. Explore our full MarCELL FAQs to get the most out of your remote monitoring system.

Explore the MarCELL sensor comparison to evaluate features, specs, and benefits across all MarCELL monitoring devices and choose the ideal solution for your needs.

Browse our full selection of MarCELL monitoring systems and accessories to protect homes, greenhouses, RVs, and more.

Access all MarCELL instruction guides and user manuals in one place. Download setup instructions for MarCELL, MarCELL Pro, SPuck sensors, FarmCELL, and more.

Nov 27, 2025 · Learn how MarCELL works to protect your home, RV, farm, or business. Discover how its cellular monitoring, instant alerts, and battery-backup system keep your property safe—no Wi-Fi …

Apr 1, 2021 · Because the MarCELL uses a cellular connection instead of WiFi, the device can be trusted and used in areas where WiFi is unavailable. This means 2nd homes without WiFi during off …