This swivel-mount light sensor with photocell is commonly used for exterior lighting purposes such as building perimeters, street lighting, parking lots, outdoor signs, landscape lighting and more Installs on standard outdoor light fixtures or electrical boxes for efficient dusk-to-dawn ON/OFF control Time delay feature of 30-120 seconds prevents unwanted Off switching due to light from passing vehicles Compatible with Designed by Design House, the Design House 588061 Swivel Mount 120-Volt Outdoor Photocontrol, Commercial/Residential Use, Dusk to Dawn Sensor is built for lasting quality and everyday use. Shop at OJCommerce and explore our collection with free shipping on every order.