DC 12V Light Control Switch Photoresistor Relay Module


In stock

SKU: 1794683
  1. Voltage: 12VDC
  2. Current: >100mA
  3. Load Capacity: 250V 10A ; Or 30V 10A DC
  4. Current Type: DC
  5. Contact Material: Metal


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Brand: Generic
Category: Relay Modules

The DC 12V Light Control Switch Photoresistor Relay Module is a compact and efficient solution for automating lighting systems. With a built-in photoresistor, it intelligently detects ambient light levels, triggering the relay to control connected lights at 12V. This module ensures energy savings by automatically turning lights on in low-light conditions and off in sufficient brightness. Its straightforward design and reliable functionality make it an ideal choice for applications requiring automated lighting control, providing convenience and efficiency in various settings.


  1. This switch uses a photoresistor to sense the intensity of light and a good-quality relay can directly control the load.
  2. Adjust the potentiometer to change sensitivity and set the relay start threshold; when it is darker than the threshold, the relay is energized; when it is brighter than the threshold, the relay is de-energized.
  3. 12V power supply input special for the relay, designed with a 78L05 regulated transistor, is more stable and reliable.
  4. Optical coupling isolation drive relay can effectively protect the chip and ensure a better performance.
  5. Widely used for light detection, brightness detection, all kinds of light detection switches, controlling street lamps, and automatic equipment.
  6. Load Capacity: 250V 10A ; Or 30V 10A DC
  7. Current Type: DC
  8. Relay type: SRD-05VDC-SL-C

Package Includes:

1 x DC 12V Light Control Switch Photoresistor Relay Module

SKU: 1794683 Category:




Contact Material


Dimensions (LxWxH) mm

50 x 30 x 17.09

Weight (g):


Shipping Weight 0.02 kg
Shipping Dimensions 13 × 4 × 3 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China