Adds Security: Dusk to dawn sensor automatically activates your outdoor lights to turn on when dark and off at dusk Easy Installation: Works with most fixtures and bulbs for hardwired outdoor pole lights Energy Savings: Save energy with photo control light sensor for outdoor lighting that automatically turns your light on and off Match with Lighting: This photocell sensor is compatible with Design House lamp posts and outdoor lights Sturdy and Durable: High-quality steel construction for long-lasting use; this product is UL certified for use in damp locations