Usage Tips:Crafted with materials, this sensor is designed to automatically turn your outdoor lights on at dusk and off at dawn. The 120-277V photoelectric switch provides reliable performance and is compatible with most outdoor lighting fixtures. Easy to install, this photocell light sensor is perfect for residential, commercial, and industrial applications. It's weather-resistant and can withstand even the harshest outdoor conditions. Say goodbye to manual light switches and hello to the convenience of this Dusk to Dawn Sensor. Whether you're looking to add security to your property, enhance your outdoor space, or simply save energy, this sensor is the perfect solution. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Black Material:Plastic Package Contents: 2 * Photoelectric switches Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.