Feature: 1. Separating the propeller from the outside to prevent the propeller from accidentally cutting into people and objects, 2. Avoiding foreign objects from hitting the propeller at the same time, enhancing flight safety, 3. Using high toughness material, resistant to impact and pressure, reducing accidental damage to the machine, 4. One two uses, full package and half package free switch, to meet the needs of multiple scenes, 5. Outdoor, more obstacles in the scene to use, indoor, close to low altitude flight, etc., for aerial photography flight to bring more security. Cautions: 1. if you feel that the protective ring needs to be tighter, two screws can be installed on the back of the protective ring, 2. the upper cover of the protective ring does not distinguish between front and back, 3. After installing the protective cover, please turn on the "Payload Mode" in the safety settings of the flight software, the flight distance of the drone will be automatically limited to 30 metres in height and 50 metres in distance, please fly carefully. color: gray Material: ABS+PC Package Contents: 1 x Propeller cover kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.