Product Specifications Wattage 500w lumens 5100 lumens (170 lm/w), 4000k li-ion battery 3500ah solar panel (high-efficiency mono) 18v 30w install height 5-6 meters waterproof ip 66 solar charging time 6~8 hours lighting time over 2 nights on sensor mode material abs plastic + toughened glass work temperature -25℃ to 65℃ intelligent dimming lighting option 18 hours