Battery-operated; no wiring, easy installation ANYWHERE, help keep well-lit, safe environment LEDs & optical grade lens generate 700 lumens, Optional diffusers reduces glare. 33 range with full 180° angle of detection, Wall or eave mount with many options for screws, zip ties and magnets. Time Extender - extends time from 12 seconds at 100% to 1 minute at 20% brightness. Wont leave you in the dark. Goes back up to 100% when it detects motion again, Up to 12 months battery life! Ideal for power outages, barbeque lights, sheds, barns, closets, attics, boats, RVs, docks, temporary spaces both inside and out. Works with (4) x D batteries (not included).