4B120 Walkera 2.4G 4 CH Channel RC Helicopter RTF Ready-To-Fly Kit Set (For Intermediate, Beginner)

Specifications:

• Receiver: RX-2605A

• Transmitter: WK-2601

• Tail Motor : WK-WS-10-002

• Tail Speed controller : WK-WST-10A-LT

• Main Speed controller : WK-WST-10A-L2

• Main Motor : WK-WS-12-003

• Battery: 3.7V 500mAh Li-Po

• Gyro: Built-in

• All-up Weight: 85g (Battery included)

• Tail Rotor Dia. : 58mm

• Main Rotor Dia. : 302mm

• Overall Length: 273mm

• Servo: wk-02-1 ;weight 3.18g ;speed 0.12sec/60o3.0~4.5V) ;torque 0.12kg/cm
  (3.0~4.5V) ;dimension 19.2U215 *8.3U215 *19.7mm

Features:

• Mini size and Fine appearance, striking personality.
• CCPM mixing control system and collective pitch control system make perfect
  3D maneuvers such as rolls, inverted, and swoop flights.
• The drive offered by twin brushless motors is smooth and powerful, the flight
  time will be up to 9 to 10 minutes at 3.7V 500mAh LiPo battery pack, depending
  on your flight mode.
• New 2.4G technology, with the functions of identification and precise code
  pairing, can allow many RC aircrafts to fly in the same field and same time.