a typical Chinese product - packaging to content ratio of 2 to 1, and at a price where there is already metal versions. The annoying thing is that you have to balance the part by the position of the battery's because the designated adjuster are too coarse, then the max. 5 min. Flight duration are already half consumed. The ever since game is testament to the quality. Furthermore, the Quadrokopter not balances itself, as described in the operating instructions. The good thing is that he can stand but a few .....