The new 4 channel Jet Ranger 370 by Dynam is a great helicopter for beginner to intermediate pilots.  Powered by two 370 size motors, the coaxial design gives the Jet Ranger greater stability.  The 2.4ghz radio system provides a more secure link between the 4 channel transmitter and the 3 in 1 receiver. 

Specifications:
Main rotor diameter: 460mm
Length:  506mm
Width:   96mm
Height:  254mm
Weight (RTF):  440g
Main motors:  2x370 size motors
Transmitter:  2.4ghz 4 Channel
Receiver:     2.4ghz 3 in 1 Receiver
Servo:        9g
Battery:      11.1V 900mAh Lithium Polymer

Package Includes:
4 Channel Jet Ranger 370 Helicopter
2.4ghz 4 Channel Transmitter
11.1v 900mah Lipo Battery
Balance Charger