Features: 3W high power 850 infrared LED, allowing night vision to be added to the for RPi camera (E) or for RPI camera (F). With on-board photoresistor for use as an ambient light detector. On-board adjustable resistor for controlling the ambient light threshold of the switching infrared LED. Made of high quality ABS material, the product is durable and wear resistant. Simple design, packaged with screws and nuts for easy installation. Specification: Item Type: Infrared Lamp Material: ABS Color: Black How to Use: 1. Connect the infrared LED board to the camera PCB with screws. 2. Screw holes are used for connection and power supply. 3. Adjust the adjustable resistor to set the appropriate ambient light threshold and automatically switch the infrared LED. 4. When the ambient light is below the threshold, the infrared LED is lit and vice versa. Package List: 2 x Infrared LED Module 4 x Screw 4 x Nut Note: Limited by the for Raspberry Pi power supply, 3W high-power infrared LEDs may cause it to increase heat. It is recommended to use a heat sink. The ideal imaging distance is within 3 meters. When the distance reaches 6 meters, the night vision camera can capture blurred contours.