Mini rc helicopter Coaxial structure and palm-sized dimension are used to make Walkera S520 as an optional model for indoor entertainment. mini rc helicopter is equipped with stroke servo and surface mount servo, features light weight, easy operation, prompt response and fine travel control. High performance two 1215FE motors, powered by the 3.7 V 400mAH Li-Poly Battery, offers over 8 minutes’ flight time, depending on the flight modes. And the stabilizer bar helps you trim the mini rc helicopter flight and prevent flips and spins. Moreover, the built-in gyro makes fine adjustment to make the helicopter fly stably.
The powerful WK-2402 transmitter adopts 2.4GHz spectrum technology with the function of automatic code pairing, ID assignment and high ability of anti-jamming. Strong signals will better your operation. mini rc helicopter comes two joysticks, aileron trimmer, throttle trimmer, rudder trimmer, and elevator trimmer, giving specific controls to the helicopter. And the LCD screen with backlight and graphic interface indicates the specifications of your controls. Thus, you can operate more smoothly, making your fly experience more enjoyable. Furthermore, on the back of the transmitter there is DSC jack, which allows control/adjustment of servo function without sending signal through receiver.
Walkera S520 not only can bring fun to first-time pilots, but also gives experienced flyers great fun in the Sky. Let your dreams fly and you will own your own space in the sky.  
Buy mini rc helicopter directly from Brothershopping China, we will provide you the wholesale discount and cheap wholesale price.

Features:
• 100% assembled and test flown at the factory
• Includes everything you need to fly right from the box
• Digital sub-micro servos offer precise and powerful control
• 4-channel transmitter with full-range Spectrum 2.4GHz technology
• Flight mode, throttle hold, dual rate switches and more
• Factory-installed Spectrum RX2402 receiver 
• Can be recharged through the transmitter provided
• High tenacity material, able to bear impact                             
• Control Mode: Radio Control System  
• High Tenacity Twin Propellers  
• High Capability, Dynamical Li-Poly Battery
• Charging and Power Indicator
• Controlled by Digital Technology
• Miniature Size and Light Weight. 

Specification:
• Helicopter: 
  - Main Blade Stuff: Plastic
  - Main Body: Alloy
  - Power Source: 3.7V 400mAH Li-Poly Battery
  - Main Rotor Diameter (Upper): 175mm
  - Main Rotor Diameter (Lower): 175mm
  - Drive Motor: 2 x 1215FE
  - Gyro: Built-in 
  - Fuselage Length: 200mm
  - Fuselage Height: 125mm
  - Fuselage Width: 40mm
  - Weight: 50g
  - Charging Time: 15-20 Minutes
  - Flight Duration: 6-8 Minutes
  - Operating Temperature: 5-35°C
• Transmitter:
  - Encoder: 4-channel micro computer system
  - Frequency: 2.4G speed spectrum
  - Power Source: 8 x 1.5v AA Alkaline Batteries (included)
  - ON/OFF Switch: YES
  - Output power: ≦10Mw
  - Current Drain: ≦120mA
  - Flight Control: Up/Down, Forward/Backward, Left/Right, Trim Tabs x4

Package Contents:
• 1 x Walkera S520 RC Helicopter
• 1 x Transmitter
• 1 x User's Manual (English)
• 1 x Battery Charger
• 1 x Spare Accessories