I t t ion with the built in wi fi module. You can see exactly what your camera sees with a live video on your mobile device. By installing the app you need smartphone to get it work. Automatic altitude hold powerful air pressure. Altitude hold function, allows you to release the throttle, stick and the drone will keep hovering at the current height easy for you to shoot quality images or videos, easy, safe and fun to play for beginners built in the latest. Six axis flight control systems offer strong stability easily implement various flight movements. Stronger wind resistance, headless mode eliminates need to adjust aircraft position before flight improves learning curve. Double flight time includes two strong powerful 3.