Product introduction: This product features a target sensor and is compatible with water cooling systems or other fluid circuits. The controller setting value is adjustable. Product use: Designed for applications with pressure below 1 MPa (10 kg), temperature range of 1–100 degrees Celsius, and motor power exceeding 500W. Connects to an AC contactor with one normally open and one normally closed contact. Product details: The micro-switch has a mechanical life of over 100,000 cycles, with a contact capacity of 15A 250V. Product name: Target Type Flow Controller Flow Switch Product model: -25 Thread 1 inch, DN25, diameter 32–33 mm, target width 27 mm, includes 5 target plates with lengths of 150 mm, 125 mm, 90 mm, 60 mm, and 35 mm. Note: Due to variations in manufacturing batches, labeling may differ, and accessory color or appearance may vary slightly, but this does not affect normal operation. Color: As shown Material: Stainless steel Package Contents: 1 x 1 inch HFS25 Water Flow Sensor Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1–3 cm.