product size:38*15*18.5cm color box size:47.5*20*20cm carton size:56*53*52cm 6pcs/carton G.W./N.W.:13/11KG Function: up and down ,turn left and turn right ,go forward and backward, slide left and right Frequency:35/72MHz Product battery: 7.4V.1000mAh Li-Polymer Battery (included) Power System: 180 motor*2 Servo:8g, 1.0Kg/CM, 0.17s/60° Transmitter battery:8*AA(not included) Additional data: Mix controller: 4 in 1 controller(W/gyro, mixer, ESC, receiver); Assembly: RTF(ready to fly) According to the requirements of different countries on the charger, Our Company with five conventional standard charger. Kit contents: Check that the following components are include (1)Standard 4CH transmitter*1 (2)Factory Assembled Helicopter*1 (3)Li-polymer battery*1 (4)AC Mains Charger*1 (5)Spare Main Rotor Set*1 (6)User manual*1