Dusk to Dawn Outdoor Pendant Lights for Porch: This outdoor chandelier utilizes an advanced photocell sensor that detects the surrounding environment to control the on/off switch. At night, when the ambient environment is dark (less than 20 lux), it will turn on automatically. During the daytime (brightness greater than 100 lux), it will turn off automatically. Free your hands and save on your electricity bill. (Please Note: Recommended for outdoor use) Modern Large Outdoor Pendant Lights: Made of sturdy metal construction in a sand black finish with clear glass lamp shade, can be easily matched with other home decoration styles. Especially porch, patio, balcony, foyer, garage, hallway