New Best Wired/Wireless Water Leak Detectors for saleSpecification* Detecting Material: water* Size: L64*W15.6*H12.7mm* Housing: ABS , white* Rated Voltage: 6-24V* Max. Voltage: 60V* Max. Working Current: 5A* Output Power (Max.): 0.75 W* Contact: N/O* Cored cable 350mm, red wire to Positive,black wire to Negative* Detecting Leads: brass* Packaging:10pcs/bag,700sets/ctn* CTN Size:37.5*29.5*30mmPrincipleLow profile water sensors install on the floor or wall, super-sensitive dual probe trigger alerts quickly, while reducing false alarms. When there is no water, output will be open;When water reaches metals, output is closed.