2X KK 2.1.5 LCD Multirotor Flight Controller Board V1.19S1PRO — KK2 Quadcopter 6050 MPU for FPV Racing RC Drone

Pack of two KK 2.1.5 multirotor LCD flight controller boards, version V1.19S1PRO, designed for KK2 quadcopters and FPV racing RC drones. Key components and sensors: IC: Atmega644 PA. Gyro/Acc: 6050MPU InvenSense Inc. Suitable as replacements or upgrades for KK2-based flight control setups.