2 to 5 business days
1. Structure of the entire system is simple. Easy to operate 2. long-life solar panels - more than 20 years 3. Automatic lighting controller: with adjustable run time, over-current protection 4. Battery: maintenance-free, long-life battery 5. The primary use is atypical system for home use and camping time or emergency. 6. Mobile phone charger will be able to charge your cell phone for most types of the market.