KV(RPM/V): 680
Power(w):1250
Ni-Mh Ni-Cd Battery(v):10-20
Lipo Battery (cell):3-5
Max Permissible Current   (A/V):78/18.5
Running Current(A):＜62
Weight(g): 270
Shaft Diameter(mm) :6
Max pull (kg)：4.05
Propeller(IN): 15*8