Shaft Material:iron is_customized:Yes Model Number:M4 Type:Wind Power Generator Origin:Mainland China Certification:CE Model:M4 Rated power:9000W/10000W Vlotage:12V 24V 48V Colour:white Blade Material:nylon Dear customer Please be noticed We provide you with the express services of UPS, DHL and FEDEX, which are delivered randomly. We will flexibly adjust the delivery method according to the busy state of the freight. Such adjustment is also to enable the goods to be delivered as soon as possible. Shipments from China will also reach you soon.The transportation of Cainiao bags is through the logistics service of AliExpress's official platform. 1.Low start up speed 3/5 blades ,high wind energy utilization 2.Easy installation, tube or flange connection optional 3.Wind Turbine body is fully waterproof design, can adapt to all kinds of bad weather 4.Blades using new art of precision injection molding,matched with optimized aerodynamic shape and structure which enhance the wind energy utilization and annual output. 5.Body of casting aluminum alloy, with 2 bearings swivel , making it survive stronger wind and run more safely 6.Patented permanent magnet ac generator with special stator,effectively reduce torque,well match the wind wheel and generator, and ensure the performance of whole system. 7.Controller,inverter can be matched(optional) accroding to customers' specific needs 8.This wind turbine has a durable service life of up to 20 years 1.This controller has basic control and protect functions,and provide low voltage charging function. 2.The battery could be charged under low speed wind. 3.It 's 12V/24V system auto recognizing. Pls click below pictures to get the specification of Mppt hybrid controller 1.wind turbine 1set (hub,tail,blades,generator,hood,bolts and nuts) 2.MPPT wind controller 1 piece.(optional) 3.flange 1 piece. 1. The product warranty period is within 1 year after purchase. (Damage caused by dismantling, manual damage, etc. is not covered by the warranty). 2. If the buyer finds that there is indeed a problem with the product within seven days after receiving the product, buyer could applied to seller to return for inspection. If the product is indeed defective, we will replace it with a new one. If there is no suitable substitute And we will refund you. Shipping, handling and insurance fees are non-refundable. If it is found that there is no problem with the product, the product will be returned to the buyer at the buyer's expense. 3.Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. 4. After receiving the goods, pls remove the tape around the box when unpacking, without violent damage, to avoid potential damage to the goods. It is recommended to keep the outer packaging for at least 15 days after receiving the goods. When returning goods, please ensure the integrity of the original packaging and the goods. If there is any reason that affects the secondary sales of the goods, the return and exchange cannot be accepted. All cost of return and tax will be covered by buyer. 5. When receiving the goods, if you find that the outer packaging is damaged, you should immediately contact the local courier to make a complaint and claim, and at the same time take a photo or video as the evidence and inform the seller. If the buyer fails to follow the above operations , then if the goods are damaged or lost due to courier reasons, the buyer shall take the responsibility. 1.The price you paid for the item excludes any customs tax.We will not shoulder any duties in destination country. 2.Please check with your country customs office to determine what these additional costs will be prior to bidding/buying. 3.All informations(products model No.,test result,specification,features,pictures,ect) that we provided are just for reference, Details pls refers to the real prodcut, instruction you received. All datas are our internal lab test results, and it might have a little discrepency upon different surrounding, pls refers to the exact result of the products after installation.