Simply install on the included mounting bracket. 2 separate lights pan and tilt for desired coverage and activate when motion is sensed within a 30-foot range. LED lights generate 280 Lumens and can be adjusted, even flashing mode to deter intruders. Ideal for yards, sheds, decks, fences, trees, camping and more. Lights work after dark and batteries can last up to a year. Requires 4 C-cell batteries (not included).