DC DC Buck Converter CC CV Power Module 50V5A Adjustable Regulated Supply Voltmeter Ammeter 250W RS485 USB Communication

Precautions for use: it is recommended to use the recommended front power supply or large brand power supply. The poor power supply will occasionally over voltage when it is turned on, and the damage caused thereby shall be borne by the customer. The input voltage shall not exceed 55v. It must be DC and AC is not allowed. Download: Download Link: http://www.eiemsun.com/c/16876.htm Alternate download addre: http://myget.cc/#/s/Y5sX About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will 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 remote 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 or taxes. 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.