Infrared light (IR) is light at higher wavelengths that the human eye can’t see. Infrared LEDs allow security cameras to see in dark areas by flooding the area with infrared light. This light reflects off surfaces in the area and is picked up by the camera’s sensor chip which allows the camera to see as if the area was lit by visible light. The more LEDs the better a camera can see in low light environments. IR lights are best in poor lighting environments and automatically switch on when lighting drops below a certain level to improve the camera visibility in the dark.