6 Pcs Photocell Twist Lock Photocell Sensor Auto On Off Photocell Switch, Blue Product Features Auto on and off: the interior of the dusk to dawn sensor is equipped with an automatic illumination detection circuit, so that it can be automatically turned off during the day and turned on at night, saving time and effort Nice Stability: the basic voltage of photocell light sensor for outdoor lighting is 120V~277V, and this wide voltage product has nice stability, which can resist interference delay, anti thunder circuit, suitable for outdoor, parks, streets, parking lots, sidewalks and so on Easy to Install: dusk to dawn light sensor uses a rotary lock design for easy removal and installation; Standard plugs ensure that the sensor can be applied with most standard twist lock socket; You will get 6 LED twist photocells, enough to meet your needs Delay Function: photocell sensor is suitable for standard steering lock sockets, dawn type barns or column lights; Built in 5 seconds delay function to avoid false triggers, such as car headlights, thunder or other temporary light sources Heat Resistance: compared with traditional photocells, this yard light photocell has repeatable setting points, does not generate heat, maintains normal temperature, and will not change color during the life of the product; In addition, it has a faster response time and can withstand high current to work well with LED lamps 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!