Features:  
* High temperature and magnetic give the motor higher efficiency and extra power.
* Silicon steel lowers energy consumption.
* Motor is accurately CNC machined. This gives smoother and quieter running.
* Bearings are made of high temperature and high carbon steel.

Specifications:  
* Type: BL2220/07
* No. Of cells: 2S to 3S Li-Poly
* Dimensions: 22 x 20 mm
* Shaft diameter: 3 mm
* Weight: 85 g/ 27.9oz
* Recommended model weight: 400 - 1200g
* Recommended prop without gearbox: 10 x 47, 11x 38.

Syma S109G 3CH Infrared Control Helicopter W/GYRO

     Features:

    *   High tenacity material, able to bear impact
    *   Built-in Gyroscope
    *   Control Mode: Infrared Control System  
    *   3-channel, allows to be flown and landed, hover in midair, and turn left or right.
    *   Vernier adjustment knob.
    *   Just connect the USB cable charger provided through your PC/Notebook to start charging
    *   Double protection 
    *   Controlled by Digital Technology
    *   With Flash light
    *   Easy to fly
    *   Complete Kit, Ready to Fly

    Specification:

    *   Product size: 22 X 7 X 9.5 cm
    *   Battery:  3.7V 170mah Lithium-Polymer (Li-Poly) Battery
    *   Charger: Integral Transmitter/Charger supplied with LED indicator/Auto shut off
    *   Flight duration: 6-8 minutes
    *   Charge time: 50-60 minutes(USB charging)
    *   Control distance: About 10 meters
    *   Radio: 3 Channel Proportional Infra Red Control System
    *   Frequency: Bands A, B or C & USB allow up to two models to be flown at the same time
    *   6 AA batteries for controller required (not included)

    Package Include:

      *  1 x S109G Mini Helicopter (without the original box)
      *  1 x Remote Control
      *  1 x Tail Blade(Free)
      *  1 x USB Cable
      *  English Manual        

Specification
* Output:  Continuous 40A, Burst 60A up to 10 Secs.
* Input Voltage:  2-6 cells lithium battery or 5-18 cells NiCd/NIMh battery.   
* BEC:  3A/5A(Switch Mode).
* Max Speed:  210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM.
                               (BLM: BrushLess Motor)
* Size:  55mm (L) * 28mm (W) * 12mm (H).
* Weight: 32g
Note: The old version Pentium-40A uses built-in linear mode BEC, but the new version uses switch mode BEC to enhance the output ability.

Features
* Safety Arming Feature:  Regardless the throttle stick position, the motor will not spin after battery connected.
* Throttle Calibration: Throttle range can be configured to provide best throttle linearity, fully compatible with all market available transmitters.
* Programmable Items:
     Brake Setting: brake enabled / brake disabled.
     Battery Type: Li-xx(Li-ion or LiPo) / Ni-xx(NiMh or NiCd).
     Low Voltage Protection Mode(Cutoff Mode): Gradually reduce the output power / Cutoff the output power.
     Low Voltage Cutoff Protection Threshold (Cutoff Threshold): low / medium / high.
     Start Mode: normal / soft / very soft.
     Timing: low / medium / high.
     Reset:  reset  all  the programmable items to their default settings.
* Full Protection Features: Low voltage cutoff protection / Over-heat protection / Throttle signal lost protection.

Advantages
* Military standard capacitor of extreme low resistance increases the ability of prevention of unwanted RF noise during flying.
* Extreme low resistance PCB is used at the power output section, the whole ESC has super current endurance capability.
* Microprocessor uses separate voltage regulator IC, with good anti-jamming capability.
* Compatible with Hobbywing's Program Card. 

Features
Micro digital high speed servo
4 metal gears+1 plastic gear
single ball bearingsecondary plastic gear)

Better for RC Helicopters

JR interface，360°with Robot Servo,4plastic gears+1metal gear.

double ball bearing.

Specification & Technical parameters:

     Features:

    *   High tenacity material, able to bear impact
    *   Built-in Gyroscope
    *   Control Mode: Infrared Control System  
    *   3-channel, allows to be flown and landed, hover in midair, and turn left or right.
    *   High Capability, Dynamical Li-Poly Battery
    *   Just connect the USB cable charger provided through your PC/Notebook to start charging
    *   Charging and Power Indicator
    *   Controlled by Digital Technology
    *   Miniature Size and Light Weight
    *   Easy to fly
    *   Complete Kit, Ready to Fly

    Specification:

    *   Product size: 22X6 X9.5cm
    *   Battery:  3.7V 150mah Lithium-Polymer (Li-Poly) Battery
    *   Battery for controller: 6"AA"batteries(not include)
    *   Charger: Integral Transmitter/Charger supplied with LED indicator/Auto shut off
    *   Flight duration: 6-8 minutes
    *   Charge time: 35-45 minutes(USB charging)
    *   Control distance: About 10 meters
    *   Radio: 3 Channel Proportional Infra Red Control System
    *   Frequency: A/B channel selector, allow up to two models to be flown at the same time
    *   Test report:  CE  ROHS  FCC   ASTM

    Package Include:

      *  1 x S108G Mini Helicopter (without the original box)
      *  1 x Remote Control
      *  1 x Tail Blade(Free)
      *  1 x USB Cable
      *  English Manual   

Specifications
* Size: 32 x 11.5 x 24 mm(1.25 x .45 x .94in)
* Weight: 12g / 0.42oz
* Operating voltage: 4.8V~6.0V
* Operating current: 200mA/60º
* Operating speed: 0.12sec/60º at 4.8V; 0.10sec/60º at 6V
* Stall torque: 1.5/1.8 kg.cm 20.8/24.9 oz.in (4.8V/6v)
* Dead band: 1-2 uSec
* Gear Material: Metal
* Connector wire length: 25 cm
* Connector type: Futaba/JR compatible