(1). Main rotor diameter: ƒ³460mm; (2). Weight: 410g;(3). Length: 510mm, width:110mm, height:260mm; (4). Power system:370 motor*2; (5). KIT/ARF/RTF: RTF; (6). Transmitter: 4 CH (including training switch and simulator port);(7). Mix controller: Receiver and 3in1 Controller;(8). Digital servos: weight:7.5g; torque:1.3kg.CM; speed:0.12S/60‹ (9). Battery: 11.1V 800mAh Li-polymer battery.