- 8 0 0 ▁is ▁a ▁Chinese ▁micro ▁air ▁vehicle ▁( MA V ) ▁developed ▁by ▁Be ij ing ▁He wei ▁Y ong ta i ▁Sci ▁& ▁Te ch ▁Co ., ▁Ltd . ▁( i . e . ▁He wei ▁Group , ▁ 北 京 和 为 永 泰 科 技 有 限 公 司 ). ▁Power ed ▁by ▁l ith ium ▁polym er ▁battery , ▁L T - 8 0 0 ▁M AV ▁is ▁construct ured ▁of ▁carbon ▁fi ber ▁and ▁G PS ▁provides ▁a ▁high ▁accuracy ▁of ▁navigation ▁( with in ▁ 5 ▁– ▁ 1 0 ▁m ). ▁L T - 8 0 0 ▁has ▁been ▁evaluated ▁by ▁Chinese ▁military ▁and ▁government al ▁ag encies ▁but ▁it ' s ▁unknown ▁if ▁any ▁large ▁volume ▁order ▁has ▁been ▁placed . ▁Spec ification : ▁Max ▁take off ▁weight : ▁< ▁ 4   kg ▁Pay load : ▁ 1 – 2   kg ▁Size : ▁ 9 0   cm ▁Ce iling : ▁ 5 0 0 – 8 0 0   m ▁End urance : ▁ 2 1   min ▁( with ▁ 1   kg ▁payload ) ▁Oper ational ▁radius : ▁ 0 . 5 – 1   km ▁Wind ▁scale ▁for ▁safe ▁operation : ▁ 3 - 4 ▁ ▁See ▁also ▁List ▁of ▁un mann ed ▁aer ial ▁vehicles ▁of ▁the ▁People ' s ▁Republic ▁of ▁China ▁ ▁References ▁ ▁Category : Un mann ed ▁aer ial ▁vehicles ▁of ▁China ▁Category : M icro ▁air ▁vehicles <0x0A> </s> ▁K