Accessories and parts -Dust cover Battery cap Dustproof body Highlights generic brand Dust cover Battery cap Dustproof body Description: Protect the battery contacts from being exposed for a long time to oxidation and prevent dust from entering, Prevent conductive particles from entering the battery contacts and causing short circuits, It is dustproof, waterproof and foreign object proof, will not scratch the contacts, is firmly attached to the interface and does not fall off easily. Specially designed for DJI FPV Combo Drone battery charging port. Dustproof, anti-oxidation, prevent short circuit. Easy to install specification: Material: Plastic Applicable models: for DJI FPV Combo Drone The color black Product size: 2.5x0.8x0.9cm (dust cover for battery), 2.5x0.8x1.1cm (cover body dust cover) Package includes: 1 set of dust cover (3 battery sockets and 1 drone body socket)