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. Specification: Features:_x000D_ 1. High sensitivity, fast response time, accurate reporting._x000D_ 2. Adopts photoelectric isolation and transformer isolation, safe and reliable._x000D_ 3. Integration sealing design, safe and easy to use._x000D_ 4. The main electrode is equipped with an isolation layer, which will alarm when the water reaches a certain height._x000D_ 5. Auxiliary electrodes are optional to increase the detection range._x000D_ 6. High/low level and multi relay output alarm signal mode are optional._x000D_ 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._x000D_ _x000D_ Specification:_x000D_ Material: ABS Plastic_x000D_ Color: As Pictures Shown_x000D_ Working Power: 12VDC_x000D_ Working Temperature: 0-50_x000D_ Output Type Relay: Load Current 30mA_x000D_ Static Power Consumption: 0.3W _x000D_ Alarm maximum power consumption: 0.5W_x000D_ Operating humidity: 20%RH-100%RH _x000D_ False alarm rate: 100ppm_x000D_ High low-level output: VL 0V+0.5V_x000D_ Load capacity: VH 5V or 12V(0.5V)_x000D_ Solid-state relay: 500mA_x000D_ High low-level: 3k (When the high level output is 12V, the supply voltage shall be higher than 16V)_x000D_ Detection cable: Point detection, uniformly distributed around 10cm _x000D_ Detection cable length: 1.5m/59.1inch_x000D_ Package Weight: Approx. 200g_x000D_ _x000D_ Wiring Instructions:_x000D_ Red_x000D_ Working power supply +12VDC positive pole_x000D_ _x000D_ Black_x000D_ Working power supply -12VDC negative pole_x000D_ _x000D_ Yellow_x000D_ Contact output is normally closed and no polarity difference_x000D_ _x000D_ Blue_x000D_ Contact output is normally open and no polarity difference_x000D_ _x000D_ Brown_x000D_ Signal common end. No polarity difference_x000D_ _x000D_ Package List:_x000D_ 1 * Water Leak Alarm ( Battery Not Included)_x000D_ 1 * Manual