This guide contains Amazon affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
The clocks went back on November 1, and now it’s dark at 5 p.m. in much of the country. That’s the moment people notice the porch light: either it’s still on a fixed timer that’s an hour off, or someone has to remember to flip a switch. I set these up around the house every year, and the answer depends mostly on your fixture and your Wi-Fi. I haven’t owned every model below; picks come from specs and the owner-review summaries on each listing.
Which one fits your porch?
Porch light picker
Compared
| Dusk-to-dawn bulb | Motion bulb | Smart bulb | Outdoor timer | |
|---|---|---|---|---|
| Follows sunset | Yes, by sensor | Only at night | Yes, by schedule | Yes (photocell models) |
| Off at a set time | No | Auto after motion | Yes | Yes, some models |
| Needs Wi-Fi/app | No | No | Yes | No |
| Closed fixture | Often fails | Often fails | Works | n/a |
| Rough cost | A few dollars a bulb | About $10 | About $11+ | About $10 |
TORCHSTAR dusk-to-dawn LED bulbs (4-pack)
Standard A19 bulbs with a built-in daylight sensor, 800 lumens, in daylight white (a 2700K warm white version is also sold).
Pros: owners say they work well, are bright and turn on and off on their own every day
Cons: lifespan is the split: some last years, others fail within weeks
GE LED+ dusk-to-dawn bulbs
Soft white light that owners say suits porches and garages, from a brand you can find in stores too.
Pros: turns on at dusk and off at dawn reliably for many; warm light; energy-efficient
Cons: some report failures within a couple of months
Amazon Basics dusk-to-dawn LED bulbs
Daylight-white 60W-equivalent bulbs at a low price per bulb.
Pros: bright; you never have to remember the switch; one owner notes it works well even after power outages
Cons: some never switch on at night, others burn out within months
BN-LINK outdoor timer with dusk-to-dawn sensor
Two grounded outlets on a weatherproof cord with a photocell and countdown settings (on at dusk, off after 2–8 hours or at dawn).
Pros: easy to set up; dusk-to-dawn works for porch lanterns and string lights
Cons: several report it stopped working within weeks
Amazon Basics smart A19 bulb (works with Alexa)
A color-changing smart bulb you schedule in the Alexa app, including sunset-based routines.
Pros: easy setup, lots of colors for holidays
Cons: Wi-Fi connection and brightness get mixed reviews; it’s controlled through Alexa only
GE LED+ motion sensor PAR38 floodlight
A screw-in floodlight that switches on with motion at night, no app or hub needed.
Pros: bright, easy to install, lights up backyards and driveways
Cons: motion detection and lifespan get mixed reports
Tip: bulbs and timers are cheap now and often drop further during Black Friday week (Thanksgiving is November 26). Add them to your cart and check back.
What it costs to leave it on
A 9-watt LED on from 5 p.m. to 6 a.m. uses about 3.5 kWh a month, around 60 cents at 18¢ per kWh. The same hours with an old 60-watt bulb cost about $4.20. Our sister site has a full energy cost calculator if you want your own numbers.
Setup tips
- Leave the wall switch on for dusk-to-dawn, motion and smart bulbs; put tape or a switch guard on it so nobody turns it off.
- Check the fixture is rated for damp or wet locations; the bulb doesn’t make an indoor fixture outdoor-safe.
- Don’t use a dusk-to-dawn bulb on a dimmer or a timer switch.
- Smart bulb schedules: set “sunset” instead of a clock time so you never need to change it again after the next time change.
Still sorting out the time change? Our daylight saving time smart home checklist covers cameras, thermostats and routines, and outdoor smart plug or timer for Christmas lights covers the holiday lights.
FAQ
How do dusk-to-dawn light bulbs work?
A small light sensor in the bulb turns it on when it gets dark and off at sunrise. Leave the wall switch on all the time. They work in standard E26 fixtures, as long as the sensor can see daylight.
Why does my dusk-to-dawn bulb stay on during the day or flicker?
Usually the sensor can’t see daylight (a closed or frosted fixture, a covered porch) or it sees its own light reflected back. Try a clear fixture or move it; in fully enclosed fixtures use a timer or a smart bulb instead.
Is a smart bulb or a dusk-to-dawn bulb better for a porch?
A dusk-to-dawn bulb is cheaper and needs no Wi-Fi or app. A smart bulb can follow sunset, turn off at a set time, be switched from your phone and change color for holidays, but needs reliable Wi-Fi at the door and an outdoor-suitable fixture.
Does leaving a porch light on all night cost much?
Not with LED. A 9-watt LED on for 13 hours a night uses about 3.5 kWh a month, roughly 60 cents at 18 cents per kWh. An old 60-watt incandescent costs about seven times more.
Are motion sensor bulbs good for security?
They’re good at startling and at saving power, and a light that switches on draws attention. Owners find them bright but report mixed motion detection and lifespan, so for a main entrance many people prefer a steady dusk-to-dawn light plus a motion floodlight on the driveway.
Sources
- U.S. Department of Energy: Outdoor solar and sensor lighting
- U.S. Department of Energy: Lighting choices to save you money
- ENERGY STAR: Light bulbs
Affiliate disclosure: Smart Home Shields is a participant in the Amazon Services LLC Associates Program. As an Amazon Associate we earn from qualifying purchases. If you buy through our links, we may earn a small commission at no extra cost to you. Product details on Amazon change often, so check the current listing before you buy.