Sense magnetic presence, rotating wheels and magnets, door and arm sensors, and anything else magnetic nearby this sensor.

• Green "triggered" LED for easy setup and use
• Output turns on at 40 Gauss (4mT) and turns off at 30 Gauss (3mT)
• Senses both north pole and south pole magnetic polarity
• 2.5 to 5.5V operation
• Dimensions: 21(W) x 16(H) x 4(D)mm