PIR Infrared Motion Automatic Light Sensor IR Detector Switch 412V Human Body Induction Night Lamp 2025 Overview A compact PIR infrared motion and light sensor module designed for reliable automatic control of low voltage lighting. Built for stable performance and precise human body induction, this switch turns lighting on when motion is detected and ambient light is low, then turns lights off after inactivity. Operates from 4 to 12 volts DC. Key benefits Automatic on and off: Activates lighting only when a person is detected and ambient light is below the set threshold, reducing manual switching. Energy saving: Prevents lights from staying on unnecessarily by combining motion detection with a light sensor. Wide voltage compatibility: Works with any 4 to 12 volt DC lighting system, making it suitable for battery powered and low voltage installations. Reliable electronic component performance: Designed for precision detection and stable output behavior suitable for integration into lighting circuits. Compact and easy to install: Small module format and simple wiring make it suitable for retrofit and DIY projects. Main features and functions PIR motion detection: Senses human body movement using passive infrared technology to trigger the switch. Ambient light sensing: Prevents activation in bright conditions so the lamp only operates when needed at night or in low light. Switch output for direct control of night lamps or LED modules within the specified voltage range. Stable performance: Tuned for consistent response to motion events and reliable switching behavior under normal use. Compatibility and installation notes Voltage: 4 to 12 V DC only. Confirm power source matches this range before connecting. Typical compatible loads: Low voltage LED lamps, strip lights, camping lights, small night lamps and other DC lighting modules within the module output capacity. Mounting: Install the sensor with its detection window facing the area to be monitored. Avoid placing directly behind glass or exposed to strong direct light sources that may affect sensitivity. Wiring: Connect to the DC power source and the load according to the module markings. Ensure correct polarity and secure connections. Practical use scenarios Hallway or stair night lighting: Automatically illuminates corridors and stairs when movement is detected in low light for safer navigation after dark. Closet and cabinet lighting: Provides hands illumination when accessing storage spaces, turning off after activity ends to preserve battery life. Portable or batterypowered lighting: Integrates into camping lamps, trunk or glove box lights, and other 12 V or battery systems to enable motionactivated operation without complex controls. Why choose this module This PIR infrared motion and light sensor switch offers a straightforward, lowvoltage solution for adding automatic, motionactivated control to lighting. Its combination of motion detection and ambient light sensing reduces unnecessary operation and saves power. The 4 to 12 volt compatibility and compact design make it a practical component for retrofit projects and lowvoltage lighting installations. Notes and precautions Use within the specified 4 to 12 V DC range only. Avoid exposure to heavy vibration and water unless additional protection is provided. For safe operation, ensure wiring is correct and secure before powering the device.