Reolink default provides 2-year warranty for new products; 1-year for certified refurbished products. And you can register to get extra 6-month extended warranty for both new products and certified refurbished products, register link:

Note: valid extended warranty needs to be registered within default warranty time frame.

For 2-year warranty of brand-new products, including a 30-day return for refund guarantee.
For certified refurbished products, 30-days return for refund is not supported.
For more information, see details on Reolink Warranty