We are the professional supplier of traffic facilities, we can offer solar road stud, solar traffic sign, solar traffic light, you are welcome to contact with me to learn detail. We specialize in solar road shows light, our products can last light for 1 week, we can guarantee 4 years, our solar items are without on/off switch, they are waterproof. We have several designs, if you have any queries, please contact me without hesitation. Waterproof, Energy-saving and Environmentally Friendly Solar Road Stud with Solid Aluminum-alloy Shell Powered by Solar Cells and Panels, Ideal signal products for highways, parking lots, roads and similar isolated or stand-alone traffic applications. Specifications: 1. Aluminum-alloy shell 2. Transparent plastic shell 3. Solar panel (2.4V/0.15 to 0.3W) 4. One Ni-Mh or Ni-cd rechargeable battery (1.2V/1,200Ma) /Super Capacitor (120F) 5. PCB with over-charging function 6. Two /Four /Six Super bright LEDs 7. Light intensity and view distance: > 10,000mcd and over 800m 8. Frequency or flash rate: 2Hz or according to customers requirements 9. Working model: Steady lighting or Flashing. depends on your requirements 10. Bearable weight: 20-30 Tons 11.Waterproof grade:IP>67 12.Color: yellow, red, blue ,green, and white (For any choice) 13. Working time: 108 hours above for Flashing Type; and more than 24 hours for steady lighting type1 14. Charging time: five to six hours/day 15. working temp: --40 degree ---- + 85 degree 16. Life time: >5 years (Ni-MH) or >15 year ( Super Capacitor) 17. Warranty: 14 months 18. Easy installation, no maintenance 19. Saves power, no additional expenses, environmentally friendly, no pollution 20. Solar energy-based power source 21. Brightness sensitive auto-switch, automatically turns on at night and turns off at dawn 22. High visibility LED's help ensure easy and safe night driving 23. Ideal for highways, parking lots, roads and similar isolated or stand-alone traffic applications 24. Suggest to put them on the road side or middle protection line in order to have less damages to the solar panel surface We are always assuring our client with guaranteed delivery, approved quality, and after-sale service, and looking forward to building a long-term good cooperation relationship with you. We welcome all detailed inquiries. info at supesolar dot com