[Upgraded Auto ON/OFF Design] Featuring the latest IC technology, the photocell sensor automatically turns on your exterior lights at dusk and off at dawn. It operates intelligently based on ambient light levels and environmental conditions. [Easy Installation] Designed for quick and simple setup. No additional tools or professional assistance required. [Waterproof & Weatherproof] Constructed with a heavy-duty plastic housing and sealed design to withstand harsh weather conditions including rain, wind, and snow. With IP65 rating, this dusk to dawn sensor is suitable for outdoor use with post lights, porch lights, and flood lights. [Strong Compatibility] Compact design allows for easy installation in standard residential outlet boxes and most outdoor light fixtures. Operates on 120V to 277V, compatible with various light sources such as incandescent, CFL, LED, and halogen. Material: Plastic Color: Black Package Contents: 2 x Photocell Light Sensor, 2 x Spacer, 2 x Locking Nut, 6 x Wire Cap Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.