Carton size:87*32*50cm QTY:6PCS/CTN N.W/G.W:11/13KG wingspan:1080mm span:840mm flight weight:550g airscrew:6*4 motor:380-480a flight distance:300m fittings with plane: charge:ac 110-220v-50HZ dc 8.4v-250mAH A pair of assembly implements Material:EPS Main features: it is a fm 3-channal proportional radio control device conld perform various actions such as normal course flight,inverted flight,spinning and hovering, 3.the speed of motor could be control. 4.Mini 30a intellectual electronic proportional governor features low voltage drop and safe.