Hobby Signal Phantom 4 Gimbal Camera Protector Guard Bracket Carbon Fiber Board Landing Gear for Phantom4 Gimbal Guard for DJI Phantom 4 CNC Aluminum Alloy Accessories + 3K Carbon Fiber Board, with high strength Efficiently protects phantom4 gimbal and camera Dont install the protector below the ultrasonic, or it may block the ultrasonic and the quadcopter may lose control. Net weight: 21g