100% brand new
<br />Some design are applying for patent
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<br />Specification
<br />Material: PA66+GF
<br />Blanana plugs:  3.5
<br />KV: 3900/3500/3500
<br />Motor Weight: 102g
<br />Lipo :3S/3s/4s
<br />Housing Weight: 48g
<br />Max Voltage:12.6/12.6/14.8
<br />Max Current :52A/33a/52a
<br />Max power:655W/416w/874w
<br />Max Thrust:1180g/900g/1460g
<br />Set Weight 150g
<br />Recom.Battery: 3s 2600MAH 35C/3s 2200MAH 35C/4s 2600MAH 35C
<br />Recom.ESC: 50A/40A/50A
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<br />Package
<br />Small carton: 21*11*14cm
<br />Including: 64mm duct fan housing*1pc + guide ring*1pc + 11 blades propeller*1pc + propller cap*1pc+ brushless motor*1pc + blade clip*1pc + screw*5pc +hobbywingESC  40A/50A*1pc
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<br />Shipping
<br />
<br />United States/Russian Federation/Ukraine are via E-packet(about 7-15 working days)
<br />Australia/Germany are via ESB(about 7-15 working days)
<br />Other countries: standard Int l shipping:Registered Airmail with tracking No(about 10-25 days)
<br />EXPRESS(EMS/DHL/FEDEX  about 7-10days),please kindly contact us for extra costs
<br />Item will be shipped out within 1 working days after payment completed.
<br />Customer service
<br />
<br />All the items are checked and test 3 times by our quality control team before shipped.
<br />Professional engineer team are waiting for resolve any your product usage problem.
<br />Leading you to be a Professional players if you need.
<br />All your message and email will be replied by our customer service team within 12 hours.
<br />Kindly please contact us anytime ask for help if any. Refunds and Returns
<br />Please let us know and sent the picture to us if it is damanged or defective product when receive,It can be return or replacement or refund.
<br />No return and refund without product quality problem.
<br />Buyers is responsible for the returning shipping cost if no product quality problem
<br />All returns should include all original items undamaged,in re-saleable condition.
<br />Custom and wholesale are welcome,please contact us anytime.