Siren Marine High Water Sensor for Siren 3 - SM-WLS3-HIWS-917Siren Marine High Water Sensor for Siren 3 SM WLS3 HIWS 917 High Water Sensor for Siren 3 The Wireless High Water Sensor detects if there is water in the bilge and sends an alert to the Siren Marine App if water has risen above the preset level. Mount the Water Probe at the desired height in the bilge and plug the other end into the Wireless Module. Link the module to the Siren 3 Pro and receive alerts if the boat is taking on water. Features: