The Industrial line of 900MHz wireless sensors are waterproof and available in various configurations. User customization allows you to set the frequency of readings and the ability to set thresholds for alerts via SMS text and/or email. The Industrial line of wireless Sensors come in an IP66, NEMA 4X, CE rated, sealed, and weatherproof enclosure. They are powered by a single, replaceable, Industrial grade 3.6 V battery with a shelf life of up to 5 years.