1 Fixed 10 Axis IMU on the main Mainboard. (MPU9250 3 axis Accell, 3 axis gyro, and 3 axis mag, MS5611 Barometer)
Further specifications can be found here.
This product is purchased on an as-needed basis from the manufacturer, so we show it as on backorder. Lead times are typically 5 to 10 days from receipt of payment.