LOHAS Dusk to Dawn Sensor Light Bulbs, 40W Equivalent LED Outdoorl 4 Pack

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 your electricity bill. Good performance: Warm white 2700k, 501 lumens, automatic light bulb gives off a cozy and fresh illumination. Perfect for outdoor lighting. Easy to install: This 2700k E26 base led bright porch light bulb fits most light fixtures, and detecting light brightness is not affected by walls or light fixtures. Safety & reliable: It lasts 30000 hours and reduces frequency of re-lamp. No lead or mercury. Having extremely long lifetime, making them virtually maintenance-free, reducing the hassle and costs of frequently changing bulbs.