| 8% off a first order | Sign up through VIVOSUN's official site to receive the advertised first-order discount. No reusable public code is claimed here. | https://vivosun.com/ | Oct 1, 2026 |
| Contiguous-U.S. shipping | Shipping is limited to the contiguous 48 states. Alaska, Hawaii, Puerto Rico, Guam, the U.S. Virgin Islands, other territories, P.O. boxes and military APO/FPO/DPO addresses are excluded. Eligible U.S. orders of $99 or more qualify for free shipping. | https://vivosun.com/help/shipping-policy | Oct 1, 2026 |
| Processing and delivery timing | Most orders are processed within one business day, and standard shipping typically takes 5–10 business days. | https://vivosun.com/help/shipping-policy | Oct 1, 2026 |
| 30-day return window | Contact support first and request the return within 30 days of delivery. Unopened items in original packaging receive a free return label. Opened items must be in perfect condition with original packaging; return shipping is deducted or paid by the customer. Include promotional gifts. | https://vivosun.com/help/return-policy | Oct 1, 2026 |
| Defective-product returns | Products proven defective can be returned or replaced without charge after official review of the supporting photos or video. | https://vivosun.com/help/return-policy | Oct 1, 2026 |
| Two-year standard product warranty | Most VIVOSUN products carry a two-year limited warranty; exact product and component terms are listed in the manual and official warranty policy. | https://vivosun.com/help/warranty-policy | Oct 1, 2026 |
| Grow-light warranty coverage | Eligible LED grow lights have up to five years of total coverage; the official policy lists two unlimited years for most models and an additional three limited years for AeroLight and LumaLight. | https://vivosun.com/help/warranty-policy | Oct 1, 2026 |