1. Imported solar panels. 2. Source for the power efficient LED, low pressure sodium lamps. 3. In the Division series microcomputer intelligent impulse control, light control overtime control, overcharge and over discharge protection. 4. Waterproof solar lighting batteries. 5. Pole: height 5-12 meters, hot-dip galvanizing spray. 6. Lighting: computer design, die-casting aluminum, spray. 7. Ambient temperature: -50 degrees to +70 degrees. 8. Lighting time: 10-14 hours per day (adjusted according to requirements.) 9. 10-consecutive rainy days, 15 days (generally more than 10 days). 10. System life: more than 20 years.