() Drone Double Thrower Light Induction Remote Control Distance Unlimited Rescue Delivery For DJI Mini4/4Pro Compatible models: For DJI Mini4/4Pro, Control mode: Through the control of the fill light at the bottom of the drone, when the dropper senses that the fill light is turned on, the delivery will be executed. Charging range: The charging interface adopts Type-C, the red light is always on when charging, and it will automatically stop when it is fully charged, and the green light will always be on, and the battery life will be about 10 hours. Power display: The battery level is displayed through 4 blue LED lights, 1 is 25% left, 2 is 50%, 75% is bright, and 4 is 100%. Fixing method: Fastening by Nylon buckle binding. Applicable size: suitable for cylindrical objects with a diameter of 40-55mm. does not include the drone and other accessories. Precautions: This product is a drone expansion accessory, used for rescue, material delivery training demonstration, please abide by the law. Please keep it away from crowds when using, and it is forbidden for minors to use it. Since each user's usage and operation ability are different, our store is not responsible for safety accidents caused by the use process. Color: As Shown Material: plastic Specifications: B:Without remote control Package Contents: 2 x Drone Double Thrower