Normally, all the LED displays could be used three years at least .
If you have any more special requests, please contact me. We are a specialized manufacture in the LED display field; and we will make all efforts to meet your need. Thank you .
Part Drawing and Internal Circuit of 3 inch 7 segment LED display :
If the circuit cannot meet your need, pls advise me for other choices. Thank you.
More Pictures for 3 inch 7 segment LED display:
Established in 2003,our factory is specialized in LED products, including 7 segment
LED/SMD displays,Alphanumeric displays,SMD LEDs,dot-matrix Led displays,bar graph
arraysand LED directon indicator displays.etc.
Q1. Can I have a sample order for your products?
A: For standard type,Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-7 days, mass production time needs 1-3 weeks .
Q3. Do you have any MOQ limit for the order?
A: Low MOQ, 1pc for sample checking is available for most types.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5. How to proceed an order ?
A: 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.
Q6. Is it OK to print my logo on the product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q7: Do you offer guarantee for the products?
A: Yes, we offer 2-3 years warranty to our products.
Q8: How to deal with the faulty?
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 resend them to you or we can discuss the solution