No external power supply or wiring needed, each solar wall lights is equipped with highly efficient monocrystalline solar panel that can absorb solar energy faster and convert them into electricity better. 20% higher energy converting rate than other solar wall lights with normal solar panel. The outdoor solar wall lights has a built-in 800mAh large battery capacity, while others only have 300mAh, which make the solar outdoor lights have longer working time. The solar fence lights can work all night for at least 8-12 hours after 6-8 hours fully charged during the day. Supper thick material also make sure a longer service life. Outdoor wall lights adopt upgraded filament LED, sturdier and brighter. These solar porch lights emit soft and warm lighting making it an ideal choice for providing a charming and romantic night ambiance. They shine all night long.