Phoneix 1 Pcs Mini FPV Flight Controller N1Module Support NAZA GPS, read NAZA Compass and GPS data, could direct return direction in air. Barometer, more precision height indication. Three page selectable: Chinese/DJI-type IOSD/Self-definition. Power supply from NAZA flight controller. Dimension: 5cm x 2.7cm x 0.8cm.