Hello XXX and thank you for your inquiry. Sorry but couldn’t get ‘Whatsapp’ to work on my older desktop. Anyway what I can do for you is this:

15 liter capacity tank with 6 nozzles multi rotor drone.
With a dosage control unit to control your flow
Terrain following sensor
Ground Control unit and an Android app for a cell phone or tablet
10 LiPo batteries
2 8 way chargers for the batteries
1datalink controller
Maintenance toolkit - basic
Aluminum transport case

This sprayer can spray 1 to 1.5 hectares per flight or 6 to 8 hectacres per hour. You never mentioned how big an area your wanting to spray, so this is the middle of the line. Can go bigger or smaller in. Capacity.
With free shipping to your location via FedEx your cost is only $XXX USD.
Let me know if your interested as there is a 30 day window to get it to you.
XXX