1. solar energy battery: imported monocrystalline silicon or polycrystalline silicon solar energy battery sets 2. Lamp: 2 high efficiency tricolor energy-saving bulbs, 5W-7W. 3. Storage battery: maintenance free storage battery, 12V, 24AH. 4. Color of the light: white or orange according to customer''s choice. 5. Control system: ZY-201 microcomputer intelligent controller.(self-control) 6. environment temperature: -20 degrees to 70 degrees. 7. working hours: 8-10 hours in fine days, 6-8 hours in cloudy days, 2-6 hours in overcast days, and may vary with different areas. 8. Size: height 280-320 cm.