This product is especially designed for Raspberry Pi Camera.With this IR Led light,you can clearly take photos within 2m at night,which brings more convenience to your life. Led:IR Led Power:5W Application:Suitable for Raspberry Pi Night 850W Vision Camera Colour:Black Material:metal +pc How to Use: 1.Connect the Infrared LED Board to the camera PCB by screws 2.The screw holes are used for both attachment and power supply 3.Adjust the adjustable resistor to set a proper ambient light threshold,which toggles the infrared LED automatically 4.When ambient light is lower than threshold value,the infrared LED is on,vice versa Package Contents: 4 x Infrared LED Light 2 set x Screws and Nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.