New 2.4 GHz Esky US Coast Guard Marine Dauphin CoAxial 4CH Radio Remote Control Electric RC Helicopter  Ready To Fly w/ Flight Simulator Kit & LED Tail Light  New 2.4G Spread Spectrum technology allows the transmitter and receiver to be 'locked-on' to the same frequency ensuring much improved  reliability and peace of mind when flying. Second, 2.4 Gigahertz systems offers quicker, more responsive control, when compared to a standard  frequency system. Third, Operating at 2.4 Gigahertz also puts the radio control out of the frequency range of any 'noise' caused by the other  electronic components on your helicopter - such as the motor, speed controller and any metal to metal noise - eliminating interference and glitch  that can affect traditional frequency system. Fourth, another main characteristic of 2.4 Gigahertz equipment from a RC model club's point of view  is that no frequency control is needed. Eliminating the need to check everyone else's channel numbers, prior to flying. No more worries about   turning up at a club with the wrong crystal in your Tx. 【Reference Video】         【Specification】 (1).Main rotor diameter: Φ340mm (2).Weight: about 240g (3).Length: 400mm,width: 72mm,height: 180mm (4).Power system: 180 motor*2pcs (5).Transmitter: Standard 4 CH 2.4G transmitter(including training switch and simulator port) (6).Mix controller: 4 in 1 mix controller (Including gyro,mixer,ESC,receiver) (7).Servo:digital servos;weight:7.5g;torque:1.0kg.CM;speed:0.1S/60° (8).Battery: 7.4V 800mAh Li-polymer battery set 　 　 　 　 　 　 　 【Product Description】 The Co-Douphin has been designed with an authentic scale appearance. It's finely crafted and highly detailed fuselage features a realistic ducted tail rotor and coloured indicator lights are installed on the top of the canopy, which flash continuously in flight. The tricycle undercarriage with retractable style wheel design will add to the enjoyment of flying this superb electric helicopter.     The new 2.4G remote control system adopts Advanced Spread Spectrum technology and digital FSK (Frequency Shift Key) coding technology. This combined with two digital servos, ensures rapid response, precise control and nimbler movement. With this system, several flyers can operate simultaneously within the same area, ensuring a safe and fun flying experience. 【Feature】 Co-Douphin, has been completely assembled in the factory, it can fly after finishing charging the battery. Electronic system has been completely adjusted by our engineer before packing, no adjustment is needed. Standard outfit include: a kit, a transmitter, a set of charger, main blade, a chargeable battery, transmitter battery unit (8pcs), a ESKY softdog and a Instructional Video CD for computer,which are ready to fly out of box.   　   　 　 　 　 　   　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 【Packing】                                            or  　                 　       1. We only ship to the confirmed address provided by PayPal. Before you pay,      please make sure your address in  PayPal matches the address you would like us to ship to. 2. All items will be shipped by Hong Kong Post with tracking number.     It takes about 7-14 days to ship to US, UK, Canada, Europe, Australia.... 3. Item will be marked as as a gift. 4. We offer combined shipping which will save your shipping cost greatly for your multiple purchases.      Please feel free to contact us for help. 5. We are unable to take any responsibtily for any custom delay or tax. Reason is because transit time is highly depended and provided by Postal Service (except weekends and holidays) 6. We strive our best to provide you the most reliable, affordable way of shipping service. But sometimes international     delivery is highly depended on the courier company and local customs/duties. If you do not receive your item on time,     please contact us immediately for further assistance. Thank you for your understanding. Terms and condictions   1. There are no refunds or exchanges unless the product is completely defective.     (Shipping & Handling is non-refundable) 2. Defective item must be returned no later than 7 days after you receive it. In all cases, buyers pay     shipping at their own cost to return products for exchange or refund, and postage cost is not refundable. 3. In case of missing parts, please notify us no later than 7 days after you receive the item and we     will arrange re-shipment of relavant parts. 4. An order consists of part / lipo / heli combo kit will be shipped out within 3-9 working days      after we receive your payment. An order with an assembled, RTF heli will be shipped within 5 - 15     working days (depending on workload) after payment.  We  work 5 days per week. No further notification     will be sent to buyers. 5. Please email us if you cannot receive any email regarding your order after 15 days of your     payment, we will investigate it.   our e-mail: [email protected] 6. Please email us if you cannot receive the item 15 days after you payment, we will  investigate it. 7. For items with more than one options of transmitters or receivers, the transmitters or  receivers     we provide will depend on our stock level. 8. Please do not file paypal / ebay complaints if you have questions / problems about your  order as     this would delay the order     processing time. Pls try to email us first and we will handle it. 9. If you have any questions or if you want the item by a specfic date due to birthday / moving  etc,     please email us first and we     can make special arrangements. 10. Shipping time is up to 4-8 weeks to some european countries as their post office and      customs always delay shipping. 11. We have no control about your item once shipped. please contact your local post office for  it.

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