do not buy a helimax iv flown rc heli 15 yrs thought this would be a good one to start my dad out on out of the box ball links fall off swashplate falls in two and head cracked helimax tech told me you get what you pay for sorry???? great service tech also told me rotofly was good for about 20 -30 flights then it will be worn out find a different brand name with some quality control