This wire water leak detector helps prevent serious economic loss by protecting your home from potential water damage. Water leaks can pose a significant risk, and this device provides an added layer of security. Place it near plumbing, sinks, aquariums, sump pumps, refrigerators, dishwashers, toilets, basements, washing machines, and garages. This wired water detector must be used with a compatible wired alarm system and cannot operate independently. Dimensions: 30x20x8mm Cable Length: 1 M Output: NO Weight: 21G Note: This product is a wired water sensor only and cannot function independently. It must be connected to an alarm host to operate. Color: As shown in picture Material: Plastic Package Contents: 5 x Wired Leakage Alarm Detector Water Sensor The package includes only the items listed above; other accessories are not included. Note: Due to light reflection and differences in display screens, the color of the item in the image may slightly vary from the actual product. Measurement error allowance is +/- 1-3cm.