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, and motors over 500W. Connects to AC contactor with one normally open and one normally closed contact. Product details: Micro-switch mechanical life exceeds rated cycles. Contact capacity is 15A 250V. Product name: Target type flow controller flow switch Product model: -25 Specifications: 1-inch thread, 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 different production batches, labeling may vary. Color and appearance of accessories may differ slightly but do not affect normal operation. Color: As shown Material: Stainless steel Package Contents: 1 × 1-inch HFS25 water flow sensor Only the items listed above are included; other items are not part of the package. Note: Lighting reflections and display differences may cause slight variations in color between the image and actual item. Measurement error allowance is ±1–3 cm.