PIR Motion Sensor Light Switch DC 5V-24V | Night Auto Sensor
PIR Motion Sensor Light Switch DC 5V-24V | Night Auto Sensor
PIR Motion Sensor Light Switch – Automatic Infrared Detection for Dark Environments
Upgrade your lighting setup with this compact and reliable PIR Motion Sensor Light Switch. Using passive infrared (PIR) technology, it automatically activates connected lights the moment it detects human movement — and only in low-light or dark conditions, so it won't trigger unnecessarily during the day. Perfect for hallways, closets, cabinets, stairways, garages, and more.
⚠️ Important Note: This sensor is designed to operate at night or in dark environments only. It will not activate in well-lit conditions.
Key Features
- Wide Voltage Compatibility: Works with DC 5V–24V systems, making it versatile for LED strips, cabinet lights, and low-voltage lighting setups.
- Intelligent Motion Detection: Detects human presence within a 3–5 meter sensing range, triggering lights automatically on movement.
- Adjustable Delay Time: Light-off delay is adjustable between 18 and 360 seconds, so lights stay on as long as you need them.
- Night/Dark Mode Only: Built-in light sensitivity ensures the sensor only activates in low-light or dark conditions — saving energy during daylight hours.
- Compact & Easy to Install: Features a 25cm lead cable for flexible placement. Constructed from durable plastic and metal components.
- Available in White & Black: Choose the shell color that best matches your installation environment.
Specifications
| Operating Voltage | DC 5V – 24V |
| Sensing Range | 3 – 5 meters |
| Delay Time | 18 – 360 seconds (adjustable) |
| Cable Length | Approx. 25 cm |
| Shell Color | White / Black |
| Material | Plastic + Metal |
| Package Contents | 1 × PIR Motion Sensor Switch |
| Country of Origin | Made in Mainland China |
Ideal Use Cases
- Under-cabinet and closet lighting automation
- Hallway, staircase, and corridor night lighting
- Garage, shed, and storage room lighting
- Low-voltage LED strip light control
- Battery-powered lighting projects and DIY electronics
Installation Tips
Connect the sensor in line with your DC power source and light load. Ensure the operating voltage matches your power supply (5V–24V DC). Mount the sensor head where it has a clear line of sight to the area you want to monitor. Avoid pointing directly at heat sources or air vents to prevent false triggering.
For more guidance on electrical safety when installing low-voltage sensors and switches, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety information.
Frequently Asked Questions
Q: Will this PIR motion sensor work during the day or in bright rooms?
A: No — this sensor is designed specifically for use in dark or low-light environments. Its built-in light detection prevents it from activating when ambient light is above a certain threshold. For always-on motion detection regardless of lighting conditions, you would need a different type of PIR sensor.
Q: What voltage does this motion sensor light switch require?
A: This PIR switch operates on DC 5V to 24V, making it compatible with a wide range of low-voltage lighting systems including USB-powered lights, LED strips, and 12V or 24V DC setups.
Q: How long will the light stay on after motion is detected?
A: The delay time is adjustable between 18 and 360 seconds (approximately 6 minutes). Once no further motion is detected within the sensing range, the light will automatically switch off after the set delay period.
Q: What is the detection range of this infrared motion sensor?
A: The PIR sensor detects human movement within a range of 3 to 5 meters, making it suitable for small to medium-sized spaces such as hallways, closets, cabinets, and stairways.