Monitor your vessel via mobile, tablet or desktop. NautAlert will send you a text and/or e-mail of any issues that arise. (Too hot) laptop pro Relax! - We'll keep an eye on your boat Powered from your shore power system or Battery 1 so if there is an interruption in shore power, your unit remains operational from Battery 1. Using the latest LTE and/or WiFi technology to transmit data every 5 minutes to our servers. Simple to mount, the unit comes with pre-fabricated connectors for batteries, bilges, external temperature, high water, and door/hatch contact alarms. (Some are optional accessories) A drop in shore power triggers an immediate alert. Monitor your cabin's temperature with our optional external temperature sensor. Particularly important if your live in a hot climate where A/C is necessary to keep the cabin cool for pets or children or in colder climates where cold temperatures could cause freezing pipes or engines where an onboard heater is used to maintain a minimum cabin temperature.