1. Waterproof Level: IPX5~IP67, fans could be work in wet environment, outdoor or under water with      
    waterproof protection.
2. Wire leading:  2 wires(red wire:positive;black wire:negative)
                           3 wires(red :positive;black :negative;yellow: PWM)
                           4 wires(red :positive;black :negative;Yellow :PWM;white:FG)
3. Additional function: auto-restart, temperature control speed, speed detection, stoppage alarm,   
    waterproof etc.
4. We default 220mm wire length without connector, could be customized as your request. we just need   
    the picture of connector and rank of wires for confirm.

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More our informationFAQ
Q: How to order?
A: send us inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production → cargo ready → balance/delivery → further cooperation.

Q: How about Sample order?
A: Sample is available for you. please contact us for details. Contact us

Q: Which shipping way is avaliable?
A: DHL, UPS, FedEx, TNT, EMS, China Post,Sea are available.The other shipping ways are also available, please contact us if you need ship by the other shipping way. 

Q: How long is the deliver?
A: Devliver time depends on the quantity you order. usually it takes 15-25 working days.

Q: My package has missing products. What can I do?
A: Please contact our support team and we will confirm your order with the package contents.We apologize for any inconveniences. 

Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted,Please contact us before you pay by the other payment ways. Also 30-50% deposit is available, the balance money should be paid before shipping.