APM 2.5+ Assembled Set Including uBlox GPS and XT60 Power Module Arduino Compatible! Comes pre-soldered (with straight pins) and tested. Includes 3-axis gyro, accelerometer and magnetometer, along with a high-performance barometer Digital compass powered by Honeywell's HMC5883L-TR chip, now included on the main board. Includes Main Board, Case, XT60 Power Module, and uBlox LEA-6H GPS Module