4x Water Leakage Alarm Water Overflowr Sensor Detector for Home Kitchen Basement Fuses & Fuse Boxes 2 Pieces Nylon Thru-Hull Hose

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4x Water Leakage Alarm Water Overflowr Sensor Detector for Home Kitchen Basement Fuses & Fuse Boxes 2 Pieces Nylon Thru-Hull HoseITEM NAME: 4x Water Leakage Alarm Water Overflowr Sensor Detector for Home Kitchen Basement img *{margin: 0; padding: 0;. Sensitive water leakage alarm with 3 probes on bottom, when there is water flow through the probes, the alarm will generate a loud alarm sound(120db) warning there is a water leakage. Waterproof design, the alarm will float on the water surface as water goes up.