1This air drop system fits for DJI Mavic Pro RC drone. 2Can be remotely delivered, for advertising, throw fishing bait, throw gifts, meals, wedding rings, etc. 3USB charging, quick release, one button control by your remote controller. 4Lightweight and safe, will neither add burden on your drone nor damage it, easy to install and remove. 5Bottom mounting, with landing gear, does not affect the propeller and sensor. Condition: 100% Item Type: Air Drop System Material: ABSColor: GrayWeight: Approx. 82g/2.9ozProduct Size: Approx. 10 x 8.5 x 5.5cm/3.9 x 3.3 x 2.2inMaximum Load: Approx. 500g/17.6ozBattery Capacity: 150mAhStandby Time: Approx. 12 HoursCharge Once to Open About 500 TimesSelf-Charging Time: 1.5 HoursFitment: Fits for MAVIC PRO 1 x Thrower1 Set of Foot Augmentation Tool1 x Rubber Band2 x Bandage1 x Foot Pads1 x Photosensitive Sensor Connection Line1 x Thrower Usb Charging Cable1 x Thrower Rings 1. This product not included drone.2. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.4. Please make it fully charge before use.