Product Description What XINTONG Can Do Manufacture Process Company Information Contact Us Q1: What is your Advantage? A: After-sale service! During the past 19 years, we take it as our company's life. If anything That's why we come so far, and that's why we will go further! Q2. Can I have a sample order for LED Light ? A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. Q3: Do you offer guarantee for the products? A: Yes, we offer 2-5 years warranty to our products. Q4. Is it OK to print my logo on led light product? A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample. Q5:How many cycles full charge&discharge about your battery? A: In 50% discharging deepness, it can be cycled for 1,200 times; in floating charging and discharging status, it can be cycled for 5000~6000 times. Q6:How to Choose the System Voltage 12V or 24V or for normal Street Light ? A: We can design the System for 12v or 24v for Solar Street Light or 220-380V for normal street light . Q7:What's the main difference between mono and PolycrystallineSolar panel? A: production process and cost. Polysilicon technology is more mature since it is an early technology compared with Monosilicon. Q8:The controller of your solar street light has dual time control function? A: our solar charge controller is designed with dual time control function, you can set up the lighting time and divide it into two parts, like 12 hours (6 hours full power lighting + 6 hours half power lighting). Q9: How long is the lead time of orders ? A: normally 7-10days for some products,If we have stock material, it only take 1-2 days to deliver. Q10:what is your trade Assurance? A:100% product quality protection 100% product on time shipment protection 100% payment protection for your covered amount Contact us if you need more details on Traffic Warning Light. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Yellow Warning Traffic Light、Solar Power Traffic Light. If these products fail to match your need, please contact us and we would like to provide relevant information.