Sansi 60W Equivalent Led Light Bulbs, 22-Year Lifetime, 4 Pack 900 Lumens Led Product Features BRIGHT AND EFFICIENT: Compared with other LED bulbs, SANSI's highly efficient E26 light bulbs can provide 900 lumens using only 9W of power, equivalent to 60W incandescent bulbs. Based on 3 hours per day usage, save up to 87% electricity, annual estimated cost 1USD. PATENTED CERAMIC TECHNOLOGY: sansi's patented technology replaces the traditional mcpcb aluminum substrate with a non-conductive ceramic heat sink, directly soldering the led chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the led pn junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, making sansi's bulbs perform with higher light efficiency. FLICKER-FREE: adopting high light transmission optical lenses, up to 17 led chips can not only provide you and your family with the light source they need daily but also provide a healthy living or work environment. no flickering, no noise. SAFE AND RELIABLE: the lamp body is made of special ceramic material, and the flame retardant grade reaches grade v0; the reinforced insulation structure means no risk of electric shock, its safer; the whole shell material reaches the wf2 anti-corrosion grade, which is more reliable and lasting; the hollow design is good for heat dissipation. GUARANTEES: etl listed, quality and safety verified, 22.5 years led bulb lifespan, 5-year after sale service. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!