I've read a number of reviews on here saying it doesn't work with DC. It absolutely does. You just have to connect to the correct wires. Positive goes to the black wire, and negative goes to the white wire. Red is the output.
I'm using this to operate some yard lights off of a solar panel battery system and it works great!
Would highly recommend these for any 12v project where dusk to dawn operation is desired.
My Solar Battery puts out about 12.6 to 12.8 volts at night, 13.8 volts during sunlight hours and have had no issues, so I'll say there is some voltage tolerance in the units.
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Product Description
Specifications:
Max Load Current: 10A
Operating Voltage: DC or AC 12V
Load Power: 2200W
Frequency: 50-60 Hz
Size: 45 x 42 x 35mm
Automatic On/Off: The photocell light sensor is equipped with an automatic illumination detection circuit, so that photoelectric switch can be automatically turned off during the day and turned on at night, saving time and effort.
Waterproof: Photocell sensor made of quality material, which is stable, and photocell light switch equipped with a waterproof cap to protect the photoelectric sensor against weather elements such as rain, snow, dust. You can use photocell control light sensor switch with confidence for a long time.
Delay Function: Time delay function inside the photocell control light sensor switch to avoid false triggers due to car headlights, thunder or other temporary light sources. The dusk to dawn photocell sensor for outdoor lighting also eliminates flickers and false on/off triggers caused by stray dogs or cats.
Easy Installation: Small size and light weight of the auto on/off photocell light switch, photocell control light sensor switch can be easily mounted on wood, metal, concrete or other electric poles.
Wide Application: The dusk to dawn photocell sensor can automatically controls lights, lamp posts or lanterns in the driveway and entryway, photocell sensor will ensure light when it is dark and keep surrounding of the house safe. Photoelectric switch is compatible with most bulbs, so auto on/off photocell light switch is also suitable for street lights, gardens, farms, harbors and other places.
NOTICES:
Do not install this device in a particularly dark place during the daytime or in a place directly illuminated by normally closed lights.
Reviews with images
I received an AC/DC version
The version I received is marked as being intended for use with 12 Volts, either AC and DC.The relay inside will pass the AC or DC input right through the relay to the output lead. It uses a 555 timer as part of the circuit, and an LDR (Light Dependent Resistor) to measure ambient light level. You could bypass the discrete-diode square bridge rectifier that is between the input and the control circuit, to save a TINY amount of wasted energy, if you'll only be running on DC input.Build quality looks OK, and they should serve our needs to run some small LED 12VDC flood lights that will serve duty as security lights here in our tiny town in Northern Nevada, USA.I'll follow up here if they don't prove to be reliable.
Top reviews from other countries
Erich Kelter
Follow the wiring diagram given by John Long, it does work for 12 volt DC.
Reviewed in Canada on October 23, 2022
