STARTRC 1130119 Light-Sensitive Dropping System for DJI Mini 4 Pro Drone Thrower Airdrop Payload Transport Delivery Device,Built-In Battery The remote control drone delivery device is specially customized for the DJI Mini 4 Pro drone. The functions of the mounting bracket and the launcher are two-in-one (only one of the two functions can be used at the same time). The launcher can be separated from the mounting bracket. Objects can be dropped through the dispenser,and small items such as Go3 can be mounted through the 1/4 male screws of the mounting bracket (the dispenser can be removed first and then loaded) Photosensitive setting allows direct control of delivery by remote control. Use the remote control to control the drone's fill light to drop items. Turn on the drone's fill light to start dropping,and turn off the fill light after the drop. The delivery distance is the same as the drone's remote control distance The recommended maximum load is about 60g (loading items or placing items must be less than 60g,please refer to 249 battery-80g). The built-in battery capacity is 70mAh. It can be fully charged in half an hour. After a full charge,it can be used about 400 times It is easy to install and disassemble. It is fixed on the fuselage through the mounting bracket. There are clips on the dispenser to prevent it from shaking loosening or blocking the drone's visual positioning sensor. The dispenser + mounting bracket totals 42.5g. The dispenser only Weighs 25g,so it will not affect the flight of the drone It can be used in advertising,bait throwing,gift throwing,wedding flower delivery,ring delivery,food delivery,wild medical supplies rescue,family reunion,Halloween,Christmas,Valentine's Day,birthday parties,beach parties,and other scenes,adding infinitely pleasure to life Package included: 1 x Light-Sensitive Drone Thrower 1 x Charging Cable 3 x Ring 1 x Rope 1 x English and Chinese Manual Other items not included