8Pairs 3-Leaf Propeller 7X3.7X3 7037/ 7X5X3 7050 / 7X4X3 7043 / 7.5X3.7X3 7537 Plastic CW CCW Prop for 7inch RC FPV Drone Paddle Color:8Pairs 4.9x4 ES900RX：

ES900RX：

Detachable antenna

Come with M3*8 Screws for assembling

then switch on the unit and wait for the data to change to single digits before taking another speed test

Carefully follow the operating manual when reconnecting the wiring sequence to avoid damaging the equipment

8Pairs 3-Leaf Propeller 7X3.7X3 7037/ 7X5X3 7050 / 7X4X3 7043 / 7.5X3.7X3 7537 Plastic CW CCW Prop for 7inch RC FPV Drone Paddle Color:8Pairs 4.9x4 ES900RX：Detail: Model: 7. 5X3. 7 7X5. 5 7X4 7X3. 7 7X3. 5( optional) Propeller Diameter: 7. 5inch(7. 5X3. 7X3), 7inch Pitch : 3. 7,5. 5(7X5. 5),3. 5(7X3. 5) Material : Plastic Weight : 10g(7X5. 5) ,9. 7g(7X4),9. 4g(7. 5X3. 7),8. 8g(7X3. 5) ,8. 2g(7X3. 7) Hub Diameter : 15mm(7. 5X3. 7),13. 8mm(7X3. 7),13. 5mm(7X3. 5)(7X4),13(7X5. 5) Hub Thickness: 6. 8mm ,7mm(7X3. 5) Shaft : 5mm Adaptor Rings : NO Package Content: 8pairs * propellers ( 4 x CW + 4 x CCW )