Our B/W video observation system has a high tech CCD camera and monitor system. The monitor video and audio are in two different locations. It is ideal for home or work place usage and is weatherproof. It is an expandable system of up to two cameras and two monitors. The monitor with audio input has a 4 inch flat screen and can easily be mounted on the wall or with the tilt desk stand. The 1/3 inch CCD camera with audio input has an infrared lens and a high speed auto iris with a 0.1 lux to 20000 lux. It has a weather resistant construction. A 60 foot cable, camera mounting stand, and power supply are included.