The heli is fine,but I have complained,and complained and talked to someone about a previously purchased order that had an extra battery with the 2heli order,I've yet to recieve my battery,even though on this order I was told my battery would he sent with..upon getting my EC135only 1battery inside...I'm done with you guys this cstmr srvc SUCKSSSSSSS and mm and my group WILL NOT be purchasing thru you guys...!!!!!!!