Starlight cameras are cameras which have special sensors, which provide improved night vision in low light conditions. It can see things which our naked eyes cannot see. Human eyes cannot identify things when the light level goes below 20 Lux. Starlight Cameras offer clearer and sharper looking image even in 0 Lux conditions, because of the exceptional sensitivity of the starlight sensor. BIT-HDH3020R network PTZ camera is equipped with 32x optical zoom camera, with super low illumination of color: 0.002Lux, b/w: 0.0002Lux.