4ch RC helicopter

4ch RC helicopter 4ch RC helicopter features Coaxial, counter-rotating blade rotor design provides incredible stability and positive control. Full RC system set Included, ready to flight out of box. Pre-installed 7.5g Digital servos and 4-in-1 control unit. No installation or assembly required. Dual 180 motors makes the LamaV4 rc helicopterpowerful and efficient. 800mAh 2-cell Li-Po battery pack is low weight, high power and provides flight durations of 10-15 minutes per charge. Specification Body weight: 230g Length: 360mm Width: 85mm Height: 175mm Power System: 180 motor x 2 Main Rotor Diameter: 340mmReady To Fly (RTF) Transmitter: Standard 4 Channel Mix Controller: 4-in-1 controller w/ LED plugs, 2.4G (with Gyro, Mixer, ESC, Receiver) Servo: Digital Servos (7.5g,1.0kg.CM, 0.10s/60°) Battery: 7.4V 800mAh Li-polymer battery Box Size: 54.5 x 24.5 x 17.5 cm Gross Weight: 2000 g Packing included1 x Lama V4 RC Helicopter Body (Orange color) 1 x 2.4G Transmitter 4ch. 1 x 7.4V Li-polymer Battery 1 x Charger for 7.4V Li-polymer battery 1 x 110-220AC Switching Adapter 1 x 12V DC Connector to Charger 1 x Manual in English & Simplified Chinese