Specifications: Wing load: 22g.dm² Wingspan: 850mm Overall Length: 548mm Wing Area:10dm² Servo: WK-03-4 / Weight:3.5g / Speed:0.12sec/60°（3.0~4.5V）/ Dimension:17.5 x 6.4 x 21.7mm Weight: 220g(Battery included) Gyro: 3-Axis Software WK-REMOTE Transmitter: 2402D/DEVO-4/6/7/7E/8S/10/12S/F4/F7 Receiver: RX2461H-D Battery: 3.7V 1600mAh Li-Po Brushless Motor: WK-WS-17-001 Brushless Speed Controller: WK-WST-20A-L2 Features: 1)The new ultra-thin lightweight material desigan Low power lossgreatly enhance the cycle life of the time-of-flight 2)3-Axis gyro cotrol system amends flight status automatically. 3)Reasonable Aerodynamic layout suitable for beginners. 4) Mature low voltage drive systm ensures great environmental friendly and safety flight. 5)2.4G 4-CH airplane flight time up to 15 minutes after full charge. 6) Equipped with TX-5807/TX5808 emitter DV04B camera and DEVO-F4/F7 radioyou can enjoy a 5.8G real-time image transmission fun flight and make a record for the video. 7)With the Wi-Fi module the airplane be controlled by iPhone or iPad. 8)You can upgrade the receiver through walkera homepage(UP02 cable and UP02 adapter is needed).