1This is an exquisite water leakage alarm, using imported chips, high accuracy and stable work. 2Adopt sound and light alarm, with switch valve 8 LED alarm indicators and 8 sensor interfaces. 3Standard single and two-way DN20 electric ball valve, which perfectly matches the water pipe system. 4Place it directly at the location where water leaking, once the water leaking is detected, it will trigger an audible and visual alarm, and the valve will be closed quickly. 5Commonly used in logistics warehouses, factories, hospitals, schools or homes and other situations. Item Type: Alarm SensorCategory: AlarmAdapted Valve: DN20Power Supply Voltage: AC100-240VWorking Voltage: DC5VOutput Power: <5WSwitching Time: <5sWorking Pressure: <1MPaSwitching Times: 50000 timesMedium Temperature: 0-90Protection Level: IP65Trigger Alarm: 1sClose Valve: 1sHost Front Description: First Row: Power indicator light, valve open indicator light, valve close indicator lightSecond Row: Reset button, valve open button, valve close buttonThird Row: 1-8 Road Alarm Indicator Lights: Host Side Description: Transformer interface, valve interface, 1-8 sensor interfaceHow to Use:1. Install the valve on the pipeline2. Hang the main unit of the water leakage alarm in a suitable position to avoid wet environment and direct contact with water3. Place the sensor in a place where water may leak (pay attention to avoid direct contact of the sensor contacts with metal objects)4. Insert the transformer, valve and sensor into the corresponding position of the host5. Plug the transformer into the power socket, power on the host, and start the water leakage alarm for self-checking. The valve defaults to the closed state. Manually press the valve open button, the valve opens automatically, and the water leakage alarm enters the working state6. When the water leakage alarm detects water leakage, it will immediately sound and light alarm and quickly close the valve. The alarm will continue to sound and light alarm. After the water leakage point is manually removed and the water is cleaned, you need to manually press the reset button to release the alarm, and then manually press the valve opening button, the valve opens, and the alarm continues to enter the working state. 1 x Valve1 x Host Control Box2 x Sensing Cable1 x Adapter1 x User Manual 1. Please use it strictly in accordance with the specified voltage;2. Please keep the pipeline medium clear and dustfree;3. Please use the product away from strong magnetic interference and other environments.