Features:1. High sensitivity, fast response time, accurate reporting.2. Adopts photoelectric isolation and transformer isolation, safe and reliable.3. Integration sealing design, safe and easy to use.4. The main electrode is equipped with an isolation layer, which will alarm when the water reaches a certain height.5. Auxiliary electrodes are optional to increase the detection range.6. High/low level and multi relay output alarm signal mode are optional.7. Suitable for communication base stations, hotels, restaurants, precision computer rooms, libraries, warehouses, alarm centers or monitoring computer rooms and other places that need to report hydrops.Specification:Material: ABS PlasticColor: As Pictures ShownWorking Power: 12VDCWorking Temperature: 0-50Output Type Relay: Load Current 30mAStatic Power Consumption: 0.3W Alarm maximum power consumption: 0.5WOperating humidity: 20%RH-100%RH False alarm rate: 100ppmHigh low-level output: VL 0V+0.5VLoad capacity: VH 5V or 12V(0.5V)Solid-state relay: 500mAHigh low-level: 3k (When the high level output is 12V, the supply voltage shall be higher than 16V)Detection cable: Point detection, uniformly distributed around 10cm Detection cable length: 1.5m/59.1inchPackage Weight: Approx. 200gWiring Instructions:RedWorking power supply +12VDC positive poleBlackWorking power supply -12VDC negative poleYellowContact output is normally closed and no polarity differenceBlueContact output is normally open and no polarity differenceBrownSignal common end. No polarity differencePackage List:1 * Water Leak Alarm ( Battery Not Included)1 * Manual.