1. Effectively guarantee the flight performance under the environment of 3000 meters to 7000 meters plateau, and the noise of the paddle blade is reduced by 2 dB compared with the original 2110s paddle 2. Adaptable products: DJI Matrice 350 RTK, Matrix M300 RTK 3. Packing list: CCW propeller x 1, CW propeller x 1, M3 screws x 6 4. Warm tips: - The use of highland propeller blade will reduce the motor life and the maximum load capacity of the aircraft to a certain extent - If the blade is broken during use, please replace it as soon as possible - When replacing the paddles, you need to replace the matching screws and attach appropriate amount of screw adhesive on the surface of the screws - Please use the paddles as a set and do not mix them with other paddles 5. Dimensions: diameter 53 cm, pitch 30 cm