Power supply: 3V-5VDC Chip: MPU-605 MPU 6050 Motion sensor module: 3-axis gyroscope + 3-axis accelerometer HMC5883L module (three-axis magnetic field module) BMP085 barometer pressure sensor Gyroscope range: + 250 500 1000 2000 °/ s Acceleration range: ± 2 ± 4 ± 8 ± 16 g HMC5883L: Measuring range: ± 1.3-8 Gauss