Main Features:<br />Measures magnetic field direction and size<br />Measures dynamic acceleration<br />HMC5883L compass module<br />ADXL345 accelerometer module<br /><br /> Frequently Asked Questions: <br />Q1. Why are these called "Arduino Compatible"? <br />A1. The Arduino group demanded us to remove their logos and rename these products so that they do not lead customers to believe they are the same units sold by Arduino<br />Q2. Are these 100% compatible with the "normal" Arduino's? <br />A2. Yes? they really are completely compatible with "normal" Arduino's. Build quality looks the same and everything (studio? library? tools? etc) just works<br /><br />    Specifications<br />General<br />  Type: Accelerometer module? Compass module                                                  <br />                        Compatibility: Ardunio                                                 <br />Electronic Components<br />  Operating Voltage: 3-5V                                                 <br />Weight and Size<br />  Product Weight: 2 g                                                  <br />                        Package Weight: 0.050 kg                                                  <br />                        Product Size(L x W x H): 3.2 x 1.5 x 1.0 cm / 1.3 x 0.6 x 0.4 inches                                                  <br />                        Package Size(L x W x H): 10.0 x 7.0 x 1.0 cm                                                 <br />Package Contents<br />  Package Contents: 1 x Module? 2 x 4-pin Cable                                                 <br /><br /><br /><br />                                                <br />