The aesthetics of the camera's design matches large flat screen televisions and rear screen projection systems. The camera's back box fits into the stud cavity of a wall, allowing the camera to blend into the wall. There are two options for the camera - either standard glass, or with electro-chromatic glass. The electro-chromatic glass turns opaque when the camera is powered off, or through RS-232 command. This ability to mute the camera provides an extra level of confidence to system users who want to know that cameras are turned off. REVEAL HD-18 comes in three different system options, that all utilize our Quick-Connect Cat. 5 cabling solution.