LED Wall Pack Light Dusk-to-Dawn Security Light for Garage Backyard Barn-4 Pack. Our factory is founded in 2009, with the biggest workshop and laboratory, is a high and new tech enterprise which specialized in research, design and develop LED products. Nearly 11 years experience on researching led lights. Replaces a 600-800 watt HPS/MH. Use for warehouse, shop, parking lot area, street etc. Power: 150 watt W/Photocell. Beam Angle: 120°. Input Voltage: AC100-277V. Lifespan: 50,000 hours. PHOTOCELL SENSOR? The commercial outdoor security light is engineered with photocell technology, making this fixture a dusk to dawn outdoor light; The Photocell sensor automatically turns ON at sunset and OFF at sunrise, helping commercial businesses and residential homeowners save up to 80% on their energy bills, in comparison to metal halide lamps. EASY TO INSTALL? LED Wall Pack Light Fixture with Housing-box on the surface, you can easily install it to enhance the security; ETL and DLC listed. Lifetime is 50,000 hours, which means if it works 8 hours per day, it can work more than 17 years. WIDELY USE? It is a suitable outdoor led light used widely for buildings and outdoor areas, such as school, building exteriors, parking lots, commercial outdoor spaces, street, etc. Package Include:8 Pack. LED Wall Pack Light 150W Photocell.