Weproduce the best quality of the Solar Street Lamp, Solar Street Lights, Solar Road Lamps as the detail specifications as below , Mono or Poly Solar Panel 18V/200W( or 100W*2PCS ), Maintence-free lead-acid rechargeable Battery 12V/200Ah, Highest effective Low Pressure Sodium ( Low SOX ) 12V/45Watts, Luminous flux is about 8000Lm, equal to the normal incandescent lampis 800W , it can light about 900 Square Meter, 2700K is yellow color . Special Solar Controller of protection for over charging and over discharge, light & time controller to keep the light 11 hours average in night, even under cloudy and rainy day for 4-5 days the 8M pole with wind resistance of 150Km/h, the pole & post is Zinc-plated & Plastic-coated, using whole kit of stainless steel fasteners, using neoprene wire, etc