All-aluminum model of helicopter. With the remote control is up, down, forward, backward, go right and left. Service life 10-15 minutes according to dureée flights; reach several meters. Loading on a computer with the supplied USB cable (it lights up when you plug it into the computer, is in charge off, turn on again charge completed) or the remote control batteries. Use: indoor or outdoor without wind (no wind at all because with 40 g total weight, it is very sensitive.). Strength: a spare tail propeller is provided for the rest all depends on the type of soil (my little son was sent to 8-9 meters high and cut everything down on the grass ... just a little screw tightening)