very good product. have used one of the blue controllers for 15 at least years lost the safety key at a public presentation had to use fuse. was spoiled by using your controller all these years. great product. thank you PS do you have any safety keys hate to not to use my blue controller because of little piece Again very good product

Just received the controller and have not yet launched any rockets with it. I did test it per the enclosed instructions and it works as advertised. Thanks very much to your Customer Service people for getting this controller to me.

Works great, seems durable, very please with the purchase