Light conditions are no longer a problem for the S2/S5/S8 series. It can provide optimal surveillance performance in low light situations with both its slow-shutter and Auto IR cut filter elimination functions. The slow shutter function improves the CCD sensitivity by electronically lengthening exposure time. The ICR function automatically controls the same operation by using the color picture plus an infrared cut filiter during the day or a black&white picture plus filter elimination at night. In day-time, it function as a color camera sensitive to 0.7 Lux, and at night-time, it automatically converts the image to a monochrome picture with a 0.01 Lux with slow shutter control.