What's the difference between SANSI LED bulbs which adopting SANSI Patented Ceramic Technology with other bulbs?

Based on the patented Ceramic Technology, SANSI 60W LED light bulbs can work a long time in a relatively high-temperature environment, which means, it can be installed in a 100% enclosed luminary.

What benefits can customers get from SANSI Patented Ceramic Technology?

Potential major adverse effects of flicker identified in published research and/or Expert Opinion include 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 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.

Abscrate from IEEE Std 1789-2015

What Colour Temperature Should I Choose?

SANSI 60W Equivalent LED Light Bulbs, 22-Year Lifetime, 4 Pack 900 Lumens LED Bulb with Ceramic Technology, 2700K Warm White 9W Non-Dimmable, E26, A15 Efficient & Safe Energy Saving for Home Lighting

Special Feature

‎Instant On, A15 Shape E26 Base, Not Dimmable, 22.3 Years Lifespan, Soft White 2700K

Light Type

‎LED

Wattage

‎9 watts

Light Color

‎Warm White, Soft White

Bulb Shape Size

‎A15

Voltage

‎120 Volts

Color Temperature

‎2700 Kelvin

Average Life

‎25000 Hours

Color Rendering Index

‎80.00

Material

‎Ceramic+Plastic

Luminous Flux

‎900 Lumen

Item Weight

‎8.8 ounces

Product Dimensions

‎1.97 x 1.97 x 3.15 inches

Item Package Quantity

‎4

Color

‎Warm White 2700K

Bulb Features

‎Not Dimmable

On Sep 19, 2022 at 01:15:26 PDT, seller added the following information:

First: No reason to return within 30 days after receiving the goods

Second

(1) The seller pays the return shipping fee under the following circumstances: the fault party is the seller, and the shipping fee generated by the return is paid by the seller

A. The buyer feels that the photos do not match the product description or that the product has certain defects.

B. The received product does not work, the product is broken.

C. The seller sent less spare parts when delivering the goods.

D. The seller sent the wrong item when delivering the goods.

E. After the buyer receives the goods, the goods are in a damaged state.

(2) The return shipping fee is paid by the buyer in the following cases:

The main reason for requesting a return is that the buyer himself does not want the item.

For example:

A. After receiving the goods, the buyer will feel that the product is not suitable and choose to return it.

B. After buying the product, you don?t like it or don?t want it anymore, and you want to return it.

C. After receiving the product, you found that other companies have a lower price, so I want to return it.

D. It is purely because the buyer suddenly doesn't like the product and wants to return it.

Our new products are generally guaranteed for five years, but the five-year warranty does not mean that any damage to the product within five years can be replaced unconditionally

If your product is older than one year, you need to pay for shipping

If your product is more than two years old, you need to pay part of the product price and freight according to the specific situation

Second-hand product warranty period of three months