Now using the model of ST56L-3 layers and it is possible to use as 4 layers by adding of 1 layer? And it is possible to purchase only LED KIT and assemble with existing product?

It is impossible to use by adding only LED KIT on the ST56L-3 product. Because internal components and structure will be changed when the layer is changed, it is impossible to assemble them personally. Please ask the distributor or QLight to inquiry the changing of specification.

Application method for A/S is as followings.

1. If you need A/S, please apply A/S through the distributor. Then it will be notified to QLight.
2. When you request A/S to QLight directly not through the distributor, register the contents with your contact number through “Website > Customer Support > Question and Reply” or contact the person in charge after checking the information througth “Website > Customer Support > Contact Information“. Then we shall do consulting kindly.
3. In case of Quality Assurance and A/S Policy, you can check it through “Website > Customer Support > Quality Assurance and A/S Policy“.

Thank you for your inquiry.