The import of solar panels. (2) light source for efficient high-power LEDs, low pressure sodium lamp. (3) in the Division Series Microcomputer intelligent pulse control, light control plus control, overcharge and over discharge protection. Solar lighting special waterproof battery. Poles: 5-12 meters high, hot galvanized spray. Lighting: computer design, die-cast aluminum, spray. Ambient temperature: -50 degrees to +70 degrees. Lighting time: 10-14 hours a day (can be adjusted upon request). Nine consecutive rainy days, 10-15 days (usually more than 10 days). 10 Life: more than 20 years.