PDS-31 is a high-performance military head mounted night vision binocular built by Visionking Optoelectronics with reference to pvs-31, an active head mounted night vision binocular in the United States.

Low light version PDS-31 has the characteristics of super large field of view, high definition, no distortion, light weight, high strength (the overall performance is much better than the original version of the U.S. military products), which is the ideal choice for military night equipment.

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About US:

• Visionking optics oursleves as a company in touch with high end optics business by providing innovative and high-quality solutions for consumers.
• we manufacture wide range of optical riflescope,night vision scope ,red dot scopes ,mount ring ;rangefinder and spotting scope binoculars ,telescope and more.
• we have doing this business for over 10years across the world,accumulating rich experience and high popularity ,we are committed to offering a first-class online and offline experience in all aspects of our business to carter to consumer needs ,we are at the same time hunting for possible business opportunities.
• our strategy relies on rapid maket growth and exploring inthe optics business to achieve our vision: VISIKING being The World's Premier Brand-Today and Tomorrow. 

Contact US:

• We strive to earn 100% perfect "Five-Star" scores from you, it is very important to us, if anything about your transaction did not meet your expectations, please let us know and give us the opportunity to make things right before you leave neutral or negative feedback.

• No matter you have any suggestion or opinion on our product or service, send message to us , we will reply you within 24 working hours.

• Greatly appreciate for your cooperation.

• Except man-made mistakes, we will exchange the defective with a brand new one within 12 days after you get our product. Return item must be with all original package and accessories with Approval Return Code

• According to the guild regulations customer shall be responsible for the returning shipping fee. refund will be made upon receipt of the returned item

• It may take up 3 business days to process your return after we receive your product.

• All night vision and items have 1-Year warranty.

• T/T or Paypal or Wester Union or Money Gram or Credit Card is the main option and priority for the payment. 
• E-check may be cleared after 1-2 week.
• We ship to PayPal address ONLY. Make sure your shipping address in PayPal is correct please.
• Item will be sent out by express or air mail or by air/sea within 2-15 days after payment is cleared or received (excluding weekend & holiday)
• Shipping time is only estimated and not guaranteed, contact us if not get item in time pleas