Only joking haris, if you think you've got problems, we've got to have a sense of humour here in the UK right now. Our government don't know what to do either.
Anyway, as has been confirmed, the manual states 800g to 1.6Kg. To be fair, if there is any wind and it only weighs under a kilo, you have a struggle to get it to come down. My 450 weight is 1.2Kg and it handles better with a bit more of a payload on. Mine carries a GoPro, 2200 3S lipo, Immersion 600mw transmitter, Spektrum receiver,