Technical Data : Remote Controller DK32 Main Parts Material 3K carbon fiber Total Weight (without battery) 11kg Unfolded Size 1700*1480*610mm Folded Size 910*860*610mm Battery Weight 5kg (2pcs) Empty Load Weight 16kg Full Load Weight 31kg Empty Load Flying Time 18-25minutes Battery 6S 22000mAh X2 Battery Lifetime 300-500 times Telecontrol Distance 10km Suggest Spraying Height 1.5-3m above crops Work Efficiency >4.5 hectares/hour (70 acre/day ) Operation Speed 2-8m/second Max Flying Speed 10 m/s Standard Operating Payload 15L Max Flying Height 50m Spray Width 5.0-7.0m ( 1.5 -3 m above the crops) Standard Nozzle ( Addible ) 6 pcs Sensor : 3 Ultrasonic Range Finder Instruction Manual