... range: 50metersflying ime: 5-7inscharging time: 60minscontroller type: 2.4GHzchannel: 4.0channelcertification: LED,FCC,EMC,EN62115,EN71,ROHS, ... service! Various designs of rc helicopter for option! Small and mixed order are acceptable!DETAILS: Model number:6044Product ... material: PAChannel:4.0 CHColor:Green/BlueControler type:2.4GHz Cover range:50metersBattery:3.7V 280MAH Lithium batteryCharging time ...