Teyleten Robot Gy- Bno085 Ar Vr Imu High Accuracy Nine-Axis 9Dof Ahrs Sensor Product Details Rotation Vector Dynamic Error: 3.5 Static Error: 2.0 Gaming Rotation Vector Dynamic Error: 2.5 Static Error: 1.5 Heading Drift: 0.5 / min Geomagnetic Rotation Vector Dynamic Rotation Error: 4.5 Static Rotation Error: 3.0 Gravity Angle Error: 1.5 Linear Acceleration Accuracy: 0.35m/s2 Accelerometer Accuracy: 0.3m/s2 Gyroscope Accuracy: 3.1 / sec Magnetometer Accuracy: 1.4?T I2C (Default): Up to 400kHz SPI: Up to 3MHz UART: 3Mbps UART-RVC: 115200kbps Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.