Features: The professional grade RM3100 compass/magnetometer, and precise magnetic field measurements for enhances vehicle navigation accuracy. Featuring proprietary triaxial magnetometer technology with 10nT resolution and low hysteresis, this DroneCAN compatible module ensures reliable calculations even near electromagnetic interferences. Ideal for drones enthusiasts, vehicle developers, and professionals requiring high precisions directional data in magnetically challenging environment. Optimizing unmanned ground vehicles or drones navigating waypoint through areas with motor coils and metal components while maintaining stable CAN bus communication. Its streamlined DroneCAN protocol simplifies wiring by enabling multiple peripherals on a single bus without occupying critical serial port on flight controllers. Specifications: Product color: black Line length: 27cm (10.62in)/42cm (16.53in) Operating temperature -40 to +85℃ Package Includes: 1pc Compass Magnetometer note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.