LED Wall Pack Light with Photocell, Dusk to Dawn Outdoor Security Ligh 2 Pack... About this item Dusk to Dawn Photocell Light- The outdoor led wall pack light fixture comes with a built-in dusk to dawn photocell sensor, which can auto-on at sunset/night and auto-off at sunrise/day. The photocell sensor can adjust the lighting duration for your location and four seasons and help to reduce another extra 30% power compared to normal hand switching or timer?s control. Up to 85% Energy Saving Lights- The outside patio light has built-in high-performance LED chips, which can provide 1980LM brightness with only 18W. This porch lighting can effectively replace a 60-100W HPS/HID light by saving up to 85% energy. No hassle of replacing bulbs, saving you maintenance costs. ?Screw Only Design? Easy Installation- The flood lights outdoor fixture is designed with mounting holes prefabricated, and no more drilling or knockout work is compulsory. A screw terminal connector is designed into the backplane which allow for fast and easy wire connections.This "screw only design" enables a 3x faster installation by a single person installer. It normally takes only a dozen minutes to finish the installation, which hugely saves your time. IP65 Weatherproof Outdoor Lighting - This dusk to dawn outdoor lighting is IP65 waterproof for outside applications. It can be perfectly used as patio exterior wall light, commercial and residential porch lighting, entrance security lighting, exterior garage illumination lights, warehouse outside wall light etc.