ONKRON LED Dusk to Dawn Bulb 4 Pack Sensor Light Bulb A19 6W Warm Light 3000K 460LM E27 LED Sensor Bulb Smart Indoor/Outdoor Lights for Hallway Garden Yard Porch with Automatic Switch ZL0608 AUTO SWITCH: Our LED dusk to dawn bulbs have built-in light sensors, they detect light intensity, lights up automatically at night and goes off during the day, when the sun arises SAVE ENERGY: 6W A19 dusk to dawn LED bulb replaces a 45 watt incandescent light bulb. Our LED light sensor bulb helps you to save up to 80% on electricity bills HIGH PERFORMANCE: Warm light 3000k and 460 lumens provide a cozy atmosphere, and a fresh illumination. Perfect solution for home lighting both indoor and outdoor UNIVERSAL AND EASY SET UP: Our LED bulb fits any standard E27 (A19) light socket or fixture, no wires or additional motion detection fixtures required. Just screw it in and that is all LONG LASTING AND DURABLE: This LED Dusk to Dawn Bulb by ONKRON has life span 40,000+ hours. Its aluminum radiator of the bulb prevents it from heating up, increasing its lifetime