Warranty Information

Dunwell Tech, Inc (Dino-Lite US) warrants all Dino-Lite handheld microscopes and eyepiece cameras against defects in material and workmanship for a period of TWO (2) YEARS from the original date of retail purchase.

All other products including stands, accessories, and products other than Dino-Lite brand are warranted for a period of ONE (1) YEAR from the original date of retail purchase. If product is found to be defective within the warranty period, Dunwell Tech, at its discretion, will repair the product at no charge or exchange the defective product with a new product or a product that is at least functionally equivalent to the original product.

This warranty does not apply to damage due to accident, misuse, abuse, misapplication, or negligence; to damage caused by service performed by anyone who is not a Dunwell Tech Authorized Service Provider; if the serial number has been removed from product.

Please keep your receipt as it will be requested for any warranty service. Products repaired or replaced under warranty remain covered for the initial duration of the warranty plus an additional three month period.

To obtain warranty service, fill out the RMA Online Form via the link below. If you choose to fill out the pdf form, download and send the completed form to service@dunwell.com or fax: 310-618-9996.

Once an RMA number is issued, return product at your expense to 19803 Hamilton Ave. #200, Torrance, CA 90502, including complete RMA Form with RMA# and a copy of your dated sales receipt.


If your product is under warranty cross-shipment is available. Replacement product(s) would be sent from our warehouse upon approval of your RMA submission and confirmation of your shipping address, if the box is checked for Cross-Shipment on the RMA form. Upon selecting cross-shipment, you agree to return the original product to our warehouse within 30 days or you will be charged in full for the replacement product(s)

Requesting warranty service

Contact us for technical support. If warranty service is necessary, we will issue an RMA number.
Complete the Return Merchandise Authorization Online Form:

Once the return is authorized, our service department will contact you with the necessary shipping information.

Out of warranty

In many cases, repair or replacement service can be provided for products outside of warranty period. For more information or estimated replacement cost please contact us for more information.

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