Are you looking for an easy to install and economical surveillance camera that is resistant to vandalism or a harsh outdoor environment? Consider using the Vandal-Resistant High Resolution Color Dome Camera as part of your security system. Built with a heavy duty steel enclosure, weatherproof seal, and a smoked plastic dome, this camera will withstand the most unforgiving surroundings. The camera has a Sony 1/3" HAD CCD chip and a varifocal lens which can adjust to the appropriate field of view. The video picture will display at 470 lines of high resolution. This product requires a 12VDC Power Supply, not included.Lux Lux rating is the amount of minimum illumination that a camera can have and still pick up an image, 0 being the lowest, or no light. So the closer the lux rating is to 0, the better the camera will operate in no light or low light situations. The Vandal-Resistant Mini Dome Color Camera can pick up images in 0.4 lux. Resolution Resolution is the amount of horizontal TV lines that make up a picture, so the higher the number of the resolution, the better clarity your picture will have. Note that the monitor or recording device you use must have a resolution equal to or greater than the resolution of the camera, as it will do you no good to have a camera that can output in 540 lines of resolution but have a monitor or recording devices that only picks up images at 300 lines of resolution. The Vandal-Resistant Mini Dome Color Camera has 420 lines of resolution.