Blomiky JXD 510V Altitude Hold 0.3MP Camera X-Predators Drone RC Quadcopter Extra 1 Battery 510V White 0.145kg=0.32lb net weight with battery.First High hold mode RC Camera Drone: With high density air pressure sensor which can precisely hold the height. 0.3MP camera: Capture and record every beautiful and unforgettable moment. Beautiful Cam, Air Pressure Sensor Altitude Lock, Easy Control Headless Mode, Return Home Key, 6 Axis Gyroscoper, Extra 1 800mAH Battery in the package. Flying time longger, Servie Notice: If any spare part have issue within 1 month, take picture or video and then ask us resend new spare parts to you free, we prepare many spare part in FBA stock,most can receive within a week after confirmed to us. You can ask send free spare part within 2 month if any problem. Correcting Flying level and Emergency Stop way see Image 3,4,5