Sensaphone Sentinel Cloud Based Remote Monitor with AT T Cellular Modem Sentinel remote monitor with AT T cellular modem from Sensaphone uses a cell connection to monitor a remote location. Unit is inside a Clear Door NEMA 4-X Enclosure to protect against the elements. A cellular modem is the best choice when an ethernet connection is not available. Using Cloud Based storage means automatic protection against data loss with limitless information storage. Use an internet or cellular connection to receive alarm notifications. Capability to notify an unlimited number of people via e-mail, text message or voice phone calls if an alarm condition occurs. Note Sentinel Cellular Subscriptions 1 month or 12 month are purchased separately from Sensaphone. Sensaphone Sentinel Monitor with AT T Cellular Modem and Clear Door NEMA 4-X Enclosure Product Details Cloud-Based remote facility monitoring Access to temperature, humidity, etc. readings from anywhere with web-based interface. Alerts can be sent straight to your mobile device stay updated no matter where you are. Up to twelve external sensors not included can monitor temperature, humidity, water and more. i.e there are 12 sensor inputs. INCLUDED cellular modem for operation in locations where telephone or internet service is unobtainable. Temperature sensing range of 109 degrees to 168 degreesF | 85 degrees to 76 degreesC. Relay output capable of automatic or manual control. Manage multiple units, make programming changes and access status conditions using a simple, powerful web-based interface. INCLUDED Internal rechargeable battery-backup system.The Sentinel has an internal rechargeable battery backup pack part #FGD-0032 to 8 hours of backup time in the event of a power failure. The unit charges the battery and monitors its charge level. The percent charge can be viewed on the website. The Sentinel contains circuitry to protect the battery from deep discharge damage and disconnects the battery when all of This item ships from a separate warehouse and may require extra time for delivery.