This light is equipped with an adjustable super bright dual-head featuring 4 LED bulbs, can emit a maximum brightness of 1800 lumens. When installed on a wall at a height of 8 feet, it can cover an area of approximately 861 square feet, delivering the expected level of brightness characteristic of a top-tier and energy-efficient security light. The price drops from $35.99 to $19.99. Shipping is free for prime members, or it adds $6.