20w semi industrial 2250lm lamps, 12hrs back up lighting, 3.2v/ 40ah lithium po4 batteries. Solar panel 3.2v/30w . Life span 5/8years. Instalación height 5/6mtrs ,coverage72 ft wide x 38ft front. Double led beam color . 2800kelvin chip 6pcs rest 3500kelvin white light. ALL INCLUDED for installation. Brackets, metal arm, solar panel base . 3years warranty