pijfers Dust with microfiber cloth, dry. Other dirth as nicotine , fire smoke or other sticky dirt, wash it with wool program or better buy a new one.

pijfers Grey one.

pijfers Wifi is the system that you use to steer the drone. Optical flow is the system using its camera to keep the drone steady and leveled in picture -film mode. They have nothing to do with each other. You can't compare them.

pijfers Zoom is worthless. Makes only screen size smaller. Uberhaupt is screensize smaller than from other projectors as the VP11. More than 30% smaller for same distance.Zoom should go from 50 to 150% but that is not the case.

pijfers VP 11 is in my few better for half the money than the VP15 It gives you a bigger picture . The zoom function is worthless because it is only making screen size smaller. Must admit the sound from the 15 is nicer but rest is not worth the money. I have both the 11 and the 15 and i regret buying the 15. Thinking it was much better , but it was not.

pijfers It breaks of the holder with not more than 5 kg . My dog fel down the ground. Dachshund. Not 5 kg.

pijfers Youspeek english. So? And there is not so much to use a language. It is mostly symbols.

pijfers It'sa scale airplane. It was build that way. But as it is your plane, dou what you like. And why inforce the nose? When you need that reinforcement your wings will be broken . It's easyer to replace a nose than broken wings.