MarCELL Cellular Temperature, Humidity & Power Monitor (Verizon) - Made in The USA - RVs, Pet Safety Monitoring, Second Home Monitoring, Greenhouse Monitoring,- 24/7 Monitoring & Instant Alerts

Best Value – MarCELL Subscription Plans for as low as $8.25/mo, nearly half of what our competitors charge. A MarCELL Subscription Plan is necessary since we operate on cellular networks.. Cellular Advantage - MarCELL can be used anywhere there is a Cellular Signal and continues to operate in power outages, unlike Wifi Devices. 24/7 Continuous Monitoring - Receive alerts via text, call or email when temperature and humidity levels reach critical levels, or power is lost. Real Time Readings - Whenever you check the webpage or app the readings will update (15 minute refresh after first reading). Monitor From Anywhere - Use our intuitive app to view your readings at anytime, from anywhere. Review historic data and get instant updates on current environmental conditions