* Optional Hardware request Quick reload battery cartridge Battery slipping tray compatible with different capacity batteries. (2*6S 10000mAh upto 2*6S 22000mAh) . And smart 12S battery also. Stronger cut section design “H” shaped of cut section give stronger structural strength for this drone. Reinforcing rib on the bottom bring the powerful shock resistance and impact resistance. Nozzles Protection Rubber Nozzles mount can anti-collision during drone in transporting. Multi purpose Compatible with 13L spreading system ,Easily exchange between spreading and spraying system just remove few screws .