Introduction: This wire water leak detector can avoid serious economic loss. Protect your home from potential water damage because water leak can be a potential danger.You can place it near plumbing,sinks,aquariums,sump pumps,refrigerators,dishwashers,toilets,basements,washing machines,,and garages.This wire water detector can not work alone,it must work with wire alarm system. Dimension:30x20x8mm length: 1 M Output: NO weight: 21G Note:This product is just the wired type water sensor , It can't work independant,You should add to work with alarm host Colour:As Shown Material:Plastic Package Contents: 5 * wired type Leakage Alarm Detector water sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.