1. Solar panel: 2.5W (can use more than 20 years).
2. Microcomputer intelligent control, over-charge and -discharge protection.
3. Output short-circuit protection and automatic open and close based on light darkness.
4. Light source: special ultra-high brightness LED (16 pieces).
5. Working lifespan: 50,000 hours.
6. Solar energy special storage battery: 6V, 4.5Ah (1 piece).
7. Material of main part: aluminum-alloy die casting.
8. Performance: work time overnight the cloudy continues for 5 day as usually working.