Normally, the color cannot be seen by ultraviolet light. If the light seen by ultraviolet light is purple, it is ordinary purple light, just to better know whether the ultraviolet light is on.

Ultraviolet rays are invisible, but the phosphor is excited to emit visible light which can be received by human eyes.

Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Sample needs 3-7 days, mass production time needs 10-15 days, for order quantity more than .

Low MOQ, 1pc for sample checking is available.

We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Firstly let us know your requirements or application.

Secondly We quote according to your requirements or our suggestions.

Thirdly customer confirms the samples and places deposit for formal order.

Fourthly We arrange the production.

Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Yes, we offer one years warranty to our products.

A: Firstly, Our products are produced in strict quality control system and the defective rate will be less

than 0.2%.

Secondly, during the guarantee period, we will send new lights with new order for small quantity. For

defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.