Auto-On/Off Function: Feel the convenience of hands-free illumination with ALAMPEVER dusk-to-dawn light bulbs, which auto-on at sunset and auto-off at sunrise. Experience refined living with lighting that perfectly complements every moment Clear Glass, More Responsive: The clear glass design minimizes obstruction around the sensor, allowing for more accurate light detection and reliable dusk-to-dawn performance. With less interference, the bulb reacts promptly to changes in natural light—keeping your space well-lit at the right times Brighter&More Energy Efficient: This outdoor light bulb is 1400-lumen upgraded, with 8W of power, which is the equivalent of 100W incandescent light bulbs. Bulbs with higher lumens emit more light, so they are brighter and more efficient. That also means the bulbs will be more energy efficient, can provide a longer service life, and reduce the frequency of replacement Vintage Charm & Effortless Setup: The ST19 outside light bulbs feature a classic Edison shape with an E26 base, ready to use straight out of the box. Enjoy a quick, hassle-free installation and embrace the timeless beauty that vintage lighting brings to everyday life Enhance Family Atmosphere: Experience the perfect balance of clarity and comfort with our 5000K daylight white illumination. ALAMPEVER 100W LED light bulbs create a welcoming atmosphere for pathways and doorways without disturbing sleep cycles. Transform your home into a cozy retreat where every moment feels naturally illuminated Widely Used: Ideal for outdoor areas such as porches, garages, patios, driveways, gardens, and entryways. This E26 bulb illuminates your home with comfort and care ALAMPEVER ST19 Dusk to Dawn Outdoor Sensor LED Light Bulb, 8W (100W Equivalent), 1400LM, E26 Base, 5000K Daylight White, 4 Pack