Check the listing for details. Hall Effect Sensors 40Pcs Magnetic Detector Hall Switch Single Pole Hall IC. Condition: New. Listed at 15.22 USD. Our Hall Effect Sensor is suitable for various electronic projects, including contactless switches, speed detection, position control, isolation detection, DC brushless motors, current sensors, automotive ignition systems, and security alarms. It is good for hobbyists and professionals to find a reliable and versatile magnetic sensing solution.SpecificationColor: Black and SilverSize: 19mmx4mmx1.5mm / 0.75"x0.16"x0.06" (L*W*H)Packing List: 40pcs x Hall Effect SensorsAdvantagesOur Hall Effect Sensor offers several advantages for electronic projects. It has a wide operating voltage range, making it suitable for a variety of applications. The fast switching speed ensures accurate and reliable sensing, while the long lifespan and small size make it a convenient and cost-effective solution.