9pin USB 2.0 To 4 Ports RS232 Serial DB9 COM Controller

and high quality OOTDTY No need external power! Supports Industrial PC! Four layer PCB design! Provides four RS-232 male DB9 ports for direct connection to serial devices. Support USB 2.0 HI-Speed. Supports various serial devices modems, PDAs, cellular phones, digital cameras, card readers, and more. Easy Plug and for PLAY Installation. Compliance with 16C950, and is backward compatible Transceiver 128-Byte FIFO Data transfer rate of up to 921.6KB / s Serial port number adjustable LED Status: On：Power On Off：Power Off system support: for Windows 10/8.X/7/Vista/xp 32/64-bit, Linux kernel 2.6.x/3.x/4.x/for os X10.5 to 10.10 system Size:(L*for W*H)10.20*9.50*2.60cm/4.02"*3.74"*1.02" cable length:150cm/59.06" Quantity:1Set Document About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.