A male flight pack.Trigger words are f1,f2,f3,f4,f5 and down.Any trouble getting down or you want stop flying just take the pack off.I made the flight time alot longer on f1~f3. Please feel free to place my banner on your HP and support my store.Just copy the url code below.Thank You! Please leave a review if you like my products.If you have a problem with one of my products please leave me a private message and I will get back to you as soon as I can.Thank You.