ITEM NAME:Magnetic Hall Effect Sensor Module - KY-003 Descriptio n Description: Black Hall Magnetic Sensor Module KY-003 Specifications: Material: PCB board + electronic components Colour: Black Size: PCB board about 1.9 * 1.5 * 0.15cm Package Included: 1x Holzer magnetic sensor module KY-003 Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Magnetic Hall Effect Sensor Module - KY-003.Colour: Black. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.