L Lohas Led Dusk To Dawn Led Light Bulbs, 40W Equivalent Led Outdoor, 4 Pack Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!