Qualilux Dusk To Dawn Led Light Bulb Is Made With A Built-In Photocell Sensor. It Can Be Automatically Turned On At Dusk When Light Is Fade Away And Off At Dawn When Light Is Detected.- Built-In Photocell Sensor.- Automatically Turn On At Dusk And Off At Dawn.- No Timer Required.

Qualilux Unique Technology Of Smart Chip Supports The Bulbs To Recognize Its Own Light Or Natural Light. They Can Be Used At Close, Without Interfering To Each Other. - Built-In Smart Chip.- Can Use At Close To Each Other.- No Interference Problem. - Support The Close Use Of More Than 2 Bulbs. - No Need To Keep The Distance Of 2 Bulbs More Than 3.3 Ft.

Qualilux Dusk To Dawn Light Bulbs Are Very Convenient To Use. Just Keep The Switch On And Forget It. No Requirements For A Timer.- Convenient To Use. - Keep The Switch On.

Specification: Bulb Shape: A19Bulb Base: E26Bulb Size: 2.36X4.65 Inchesinput Voltage: 120 Volts (Ac)Power Use: 12 Wattpower Equivalent: 75 Wattluminous Flux: 1000 Lmcolor Temperature: Daylight 5000Kled Chips: Smd 2835Life Time: 25000 Hoursbeam Angle: 270 Degrees Package Content: 4 Bulbs Applications: Porch Light, Post Light, Ceiling Light, Wall Lantern, Front Door, Hallway, Garden, Patio, Stairways, Garage, Yard.