1. solar energy battery: imported monocrystalline silicon solar energy battery , power: 220Wp 2. working voltage: 12V.DC 3. Storage battery: highly reliable maintenance-free lead-acid storage battery, capacity 220AH 4. Lamp: main lamp: 40W ring lamp 5. Control system: ZY-403 special microcomputer intelligent controller. 6. applied temperature: -20 degrees to 70 degrees. 7. working hours: main lamp more 2-12 hours(optional at random), auxiliary lamp : till daytime.( main lamp can be designed to work corresponding to local sunshine time) 8. lamp height: 8m,10m ( special requirement is available)