Wifi Water Detector with 2 (Two) Sensor Nodes 5 Ft Each, Email / Text Alarms WiFi water sensor with 2 sensor nodes each with 5ft long cable Connects to your home or office wifi. No hub or gateway required. Sends alerts by email/ text messages to your inbox or smart phone Easy set up, with back mount power plugs directly into wall outlet Got a question before or after purchase? During setup? Talk to real people. Amazing support team.