Ceramic

Potential major adverse effects of flicker identified in published research and/orExpert Opinion includes these five factors: Photoepilepsy or flashing-light-induced seizure. Stroboscopic effect and associated apparent slowing or stoppage of rotating machinery. Migraine or severe paroxysmal headache is often associated with nausea and visual disturbances. Increased repetitive behavior among persons with autism. Asthenopia, including eyestrain, fatigue, blurred vision, conventional headache, and decreased performance on sight-related tasks. What Colour Temperature Should I Choose? 💡Bright & Efficient: Compared with other LED bulbs, SANSI’s highly efficient E26 light bulbs can provide 900 lumens using only 9 watts of power, equivalent to 60W incandescent bulbs. Based on 3 hours per day usage, save up to 87% electricity, annual estimated cost $1. 💡 Patented Ceramic technology: SANSI’s patented technology replaces the traditional Mcpcb the aluminum substrate with a non-conductive ceramic heat sink, directly soldering the LED chip on the ceramic heat sink, effectively reducing the system 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 durable; The hollow design is good for heat dissipation. 💡 Guarantees: ETL listed, quality and safety verified, 22.5 years LED bulb lifespan, 5 years warranty. 13W 5000K 17W Dimmable 5000K 22W 5000K 27W 5000K 27W Dimmable 5000K Lumen16002500300040004000Incandescent Equivalent (Watts)100W150W200W250W250WBulb SizeA19A19A21A21A21Dimmable-✓–✓Color Temperature5000K5000K5000K5000K5000KCertificationETL/RoHSETL/RoHSETL/RoHSETL/RoHSETL/RoHSLifespan (Years)22.522.522.522.522.5Package4-Pack1-Pack2-Pack2-Pack2-Pack On Dec-30-21 at 18:13:35 PST, seller added the following information: PaypmentDelivery detailsReturnContact usAbout SANSIPaypment1.All payments must be prepaid. 2.Payment options: credit card, Debit card, Apple Pay, Google Pay and PayPal. 3.If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review.Delivery details1. We currently ship to street addresses in the United States. 2. Orders are processed and shipped within 2 business days. 3. If your order has not arrived within 10 business days, or if there is an issue with tracking, please do not hesitate to contact us.4. Shipping Method: USPS 2-3 Business Day (small items or less than 2 security lights or floodlights) or UPS Ground (large items or multiple small items). We charge extra shipping costs for expedited service. Please contact customer service for help. 5. Apologize for the delay during the holiday season. We don’t ship orders during major holidays, however, we will answer your questions within 24 hours.ReturnReturn30-Day Refund or Replacement （1）The seller pays the return shipping fee: a. The product is damaged, or cannot be used, etc. b. The product does not fit the description or picture c. The seller sends less and misses the delivery d. The seller sends the wrong product e. The product is imitation or fake （2）The buyer pays the return shipping fee:the main reason for applying for return is that the buyer himself does not want the product, and the buyer needs to pay the shipping fee. The details are as follows: a. The buyer himself does not want this product b. Choose the wrong size, or feel that the product is not suitable for me c. Due to the price of the productFeedback If, for any reason, you are not satisfied with your purchase, please contact us via eBay Message and we will do our best to resolve it. Please don’t leave neutral or negative feedback without any communication with us. Contact usIf yo need any assistance, please do not hesitate to contact us. With the exception of weekends (Saturday – Sunday) and major holidays, we answer all messages within 24 hours.If you are not completely satisfied with your purchase, Please contact us directly via ebay message and we will do everything in our power to resolve any issue. Please contact us before you open any cases or returns,we will do our best to help you solve the matters you met. About SANSIOfficial SANSI eBay Store Since SANSI’s founding in 1993, SANSI has been dedicated to technological innovation in a wide range of LED applications, from commercial displays to home lighting. With over 500 in-house engineers, 2000 employees, and three advanced factories, SANSI has reached over 40 nations on five continents and continues to grow.