Model Number: H.101 Key Specifications/Special Features: Size: (L) 342 x (H) 124 x (W) 63mmFlying weight: 187gFlying time: around 10 minutesMain rotor: 380mm diameterAil rotor: 66mm diameterPower system: 180 main motor x 1, N30 tail rotor x 1Transmitter: 4 channels 2.4GHzServo: 3.7g, 0.12sec/60Helicopter battery: 7.4V 650mAhLi-Po battery with protective PCBTransmitter battery: 8 x AA (not included)Package:Measurement: 53x56x52cm 8pcs/ctnG.W./N.W.: 14.4/12.8kgs