Feature: 1. This is an exquisite water leakage alarm, using imported chips, stable work, high accuracy, and long service life. 2. Adopts sound and light alarm, with switch valve LED indicator, 8 LED alarm indicator and 8 sensor interface. 3. Place the sensor directly at the location where water may leak, once the water leaking is detected, it will trigger an audible and visual alarm, and the valve will be closed quickly. 4. Commonly used in logistics warehouses, factories, hospitals, schools or homes and other situations. 5. Mainly used to detect water leaks in water pipes, heating pipes, and central air‑conditioning pipes. Specification: Item Type: Water Leaking Sensor Category: Alarm Adapted Valve: DN15 Output Power: <5W Switching Time: <5s Working Pressure: <1MPa Switching Times: 50000 times Medium Temperature: 0-90℃ Protection Level: IP65 Trigger Alarm: 1s Close Valve: 1s Host Front Description: First Row: Power indicator light, valve open indicator light, valve close indicator light Second Row: Reset button, valve open button, valve close button Third Row: 1-8 Road Alarm Indicator Lights: Host Side Description: Transformer interface, valve interface, 1-8 sensor interface How to Use: 1. Install the valve on the pipeline 2. Hang the main unit of the water leakage alarm in a suitable position to avoid wet environment and direct contact with water 3. 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 host 6. 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. . Package List: 2 x Valve1 x Host Control Box2 x Sensing Cable1 x Adapter1 x User Manual Note: 1. Please use it strictly in accordance with the specified voltage;2. Please keep the pipeline medium clear and dust‑free;3. Please use the product away from strong magnetic interference and other environments.