Fangrui Product Details 1. Geomagnetic Sensor Module 2. Mcu-150 Bmm150 Magnetometer Module 3. Compass Geomagnetic Sensor Module 4. Easy To Carry, 5. Easy To Use. Easy To Store 1. Specifications: Mcu-150 Bmm150 2. Accuracy: High Precision 3. Product Type: Geomagnetic Sensor Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:as Shown Material:pcb Package Contents: 1 X Geomagnetic Sensor Module 1 X Pin Header Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.