Dusk to Dawn Photocell Sensor LED Lights Bulbs ETL Listed Auto On/Off incandescen Bulb 40W Light Sensor for Porch Hallway Patio Indoor Outdoor Lighting 4W 470lm,Warm White(2700K),AC120V (Pack of 3)

Specification:
4W 470lm equivalent 40W incandescent/Edison bulb.
Parameter: 4.2Inch(H)* 2.4 Inch(W)
Cover: Clear glass cover
Base: E26 medium screw base.
Working Voltage: AC110-130V/60Hz.
Working Temperature: -4℉-104℉
Color : Warm White 2700K±200K.
Lifetime: 15000h,
Dimming: No-Dimmable,
Package: 3 x 4W dusk to dawn light bulb.
Warranty: 1 Year.

Note:
1. When used with fixture, please make sure the fixture is well transmission, then the bulb can sensor outside well and accurate.
When fixture is cover is not clear enough, the light of inside fixture will week than outside, the bulb sensor inside weak light, it will be not working accurate as outside normal light then this lamp can be used with this fixture.

2. This bulb NOT suggested used in the completely enclosed fixture, because this bulb working temperature must be in range of 4℉-104℉working temperature.
when fixture is completely enclosed, the heat cann't sank from the fixture, then the temperature will be higher 104℉, if bulb working beyond 4℉-104℉temperature, the lifetime will be shorten much, only 1000h or lower.
3. When used with outdoor fixture, please make sure the fixture water proof well for the E26 screw base.