LOHAS Dusk to Dawn Sensor Light Bulbs, 40W Equivalent LED Outdoor Lighting, Daylight 5000K, Automatic Photocell Light Bulbs Outside, A19 6W Bright Porch Light Bulbs, 500LM E26 for Garage Patio, 4 Pack - GK Lighting, LH-LightSensorBulb-5000k-6W-4P-E26

• Auto on/off: With built-in light sensor, outdoor photocell light bulb will detect the light intensity, turns on automatically at night, detected the surrounding brightness, and turns off when ambient lighting is sufficient. Energy saving: 6W A19 dusk to dawn sensor led light bulb replaces a 40 watt incandescent light bulb. Save up to 85% on electricity bill. Good performance: Daylight(crystal) white 5000k, 500 lumens, automatic light bulb gives off a cozy and fresh illumination. Perfect for outdoor lighting. Easy to install: This 5000k E26 base led bright porch light bulb fits most light fixtures, and detecting light brightness is not affected by walls or light fixtures. Durable & reliable: No lead or mercury. Having longer lifetime, making them virtually maintenance-free, reducing the hassle and costs of frequently changing bulbs., Weight: 0.12 pounds, Manufacturer: GK Lighting