Avoid preventable catastrophes with La Crosse Alerts Mobile. With our sensors, you can remotely monitor temperature, humidity, and wetness/dryness of a precise location from your mobile device. ALERTS Receive your choice of email or text alerts when your sensor detects something is wrong. Set specific temperatures, humidity, or water levels that you would like to be alerted when reached. PERSONALIZE Choose the location (ex. Basement) of your sensor and set an image for your specific location.