Check the listing for details. DEWENWILS Dusk to Dawn Light Bulb Sockets, E26 Light Sensor Socket, Light Socket. Color: Black, Condition: New. Listed at 20.39 USD. DEWENWILS Dusk to Dawn Light Bulb Sockets, E26 Light Sensor Socket, Light Socket Indoor/Outdoor for Porch Garage Garden Patio Waterpoof Lights, 4 Pack Black, ETL Listed About this item[Dusk to Dawn Sensor] Built-in advanced light sensor, automatically turn light on/off from dusk to dawn; turn your standard light fixture into automatic dusk to dawn light, No manual adjustment; NOTE: Please ensure no obstacles block the sensor and light source[Easy to Install] No wiring and programming needed, simply screw light bulb into dusk to dawn light sockets, attach it to light fixtures; ensure the sensor faces a natural light source indoors and under shelter outdoors[Off-Delay Function] Equipped with delay OFF function, prevent bulbs from repeatedly flickering due to sudden light sources; after 60s or longer light source motion - Auto Turn Bulbs Off[Standarded E26/E27 Base] Compatible with E26/E27 base Incandescent, CFL, LED, and Halogen bulbs; Incandescent ≤ 100W, CFL/LED ≤ 30W, ideal for porch lights, front door lights, garage door lights, etc.; clear light cover recommended[Keep Your Home Safe] Set your lights to auto turn on/off when you're not around, scaring away any potential intruders; back to your home with warm porch lights on, protect your home safety and enjoy the cozy vibes.